Number of the day: 3176

Properties of the number 3176:

3176 = 2³ × 397 is the 2726^th composite number and is not squarefree.
3176 has 2 distinct prime factors, 8 divisors, 7 antidivisors and 1584 totatives.
3176 has an emirp digit sum 17 in base 10.
3176 = 24³ - 22³ is the difference of 2 positive cubes in 1 way.
3176 = 795² - 793² = 399² - 395² is the difference of 2 nonnegative squares in 2 ways.
3176 = 26² + 50² is the sum of 2 positive squares in 1 way.
3176 = 16² + 34² + 42² is the sum of 3 positive squares.
3176² = 1824² + 2600² is the sum of 2 positive squares in 1 way.
3176² is the sum of 3 positive squares.
3176 is a divisor of 1553³ - 1.
3176 is palindromic in (at least) the following bases: 26, and -46.
3176 in base 26 = 4i4 and consists of only the digits '4' and 'i'.
3176 in base 32 = 338 and consists of only the digits '3' and '8'.

The number 3176 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A005011: Shifts one place left under 5th order binomial transform.
A005897: a(n) = 6*n^2+2 for n>0, a(0)=1.
A115882: Numbers n such that n plus the n-th prime gives a triangular number.
A139698: Binomial transform of [1, 25, 25, 25,...].
A179202: Numbers n such that phi(n) = phi(n+8), with Euler's totient function phi=A000010.
A192476: Monotonic ordering of set S generated by these rules: if x and y are in S then x^2 + y^2 is in S, and 1 is in S.
A192760: Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.
A194434: D-toothpick sequence of the second kind starting with a X-shaped cross formed by 4 D-toothpicks.
A218153: G.f.: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(n*k)) ).
A243980: Four times the sum of all divisors of all positive integers <= n.