Number of the day: 53982

Properties of the number 53982:

53982 = 2 × 3² × 2999 is the 48483^th composite number and is not squarefree.
53982 has 3 distinct prime factors, 12 divisors, 21 antidivisors and 17988 totatives.
53982 is the difference of 2 positive pentagonal numbers in 2 ways.
53982 = 38² + 53² + 223² is the sum of 3 positive squares.
53982² is the sum of 3 positive squares.
53982 is a proper divisor of 73¹⁴⁹⁹ - 1.
53982 is palindromic in (at least) the following bases: 85, -45, and -70.
53982 in base 44 = Rcc and consists of only the digits 'R' and 'c'.

The number 53982 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A249058: a(n) = number of primes less than the square root of the (2^n)-th prime