Number of the day: 88451

Properties of the number 88451:

88451 = 11² × 17 × 43 is the 79878^th composite number and is not squarefree.
88451 has 3 distinct prime factors, 12 divisors, 13 antidivisors and 73920 totatives.
88451 has an emirpimes digit sum 26 in base 10.
88451 = 44226² - 44225² = 4026² - 4015² = 2610² - 2593² = 1050² - 1007² = 426² - 305² = 330² - 143² is the difference of 2 nonnegative squares in 6 ways.
88451 is the difference of 2 positive pentagonal numbers in 5 ways.
88451 = 1² + 51² + 293² is the sum of 3 positive squares.
88451² = 41624² + 78045² is the sum of 2 positive squares in 1 way.
88451² is the sum of 3 positive squares.
88451 is a proper divisor of 1291¹⁰ - 1.
88451 is palindromic in (at least) base 88.
88451 in base 17 = 11010 and consists of only the digits '0' and '1'.

The number 88451 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A063496: a(n) = (2*n-1)*(8*n^2-8*n+3)/3.
A100606: a(n) = n^4 + n^3 + n.
A197351: a(0)=0, a(1)=1, a(2n)=17*a(n), a(2n+1)=a(2n)+1.
A305412: a(n) = F(n)*F(n+1) + F(n+2), where F = A000045 (Fibonacci numbers).