Number of the day: 48609

Properties of the number 48609:

48609 = 3² × 11 × 491 is the 43609^th composite number and is not squarefree.
48609 has 3 distinct prime factors, 12 divisors, 15 antidivisors and 29400 totatives.
48609 = 6³ + 25³ + 32³ is the sum of 3 positive cubes in 1 way.
48609 = (46 × 47)/2 + … + (72 × 73)/2 is the sum of at least 2 consecutive triangular numbers in 1 way.
48609 = 24305² - 24304² = 8103² - 8100² = 2705² - 2696² = 2215² - 2204² = 753² - 720² = 295² - 196² is the difference of 2 nonnegative squares in 6 ways.
48609 is the difference of 2 positive pentagonal numbers in 1 way.
48609 = 53² + 58² + 206² is the sum of 3 positive squares.
48609² is the sum of 3 positive squares.
48609 is a proper divisor of 881¹⁰ - 1.
48609 is palindromic in (at least) the following bases: 32, 72, and -75.
48609 in base 32 = 1ff1 and consists of only the digits '1' and 'f'.

The number 48609 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequences (among others):

Sequence numbers and descriptions below are taken from OEIS.
A158676: 62*n^2 + 1.
A289919: p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = (1 - S)^2.