15056256 has 32 divisors (see below), whose sum is σ = 39994200. Its totient is φ = 5018624.

The previous prime is 15056213. The next prime is 15056281. The reversal of 15056256 is 65265051.

15056256 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19221 + ... + 19988.

Almost surely, 2^15056256 is an apocalyptic number.

15056256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15056256 is an abundant number, since it is smaller than the sum of its proper divisors (24937944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15056256 is an equidigital number, since it uses as much as digits as its factorization.

15056256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39226 (or 39214 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 15056256 is about 3880.2391678864. The cubic root of 15056256 is about 246.9291321984.

The spelling of 15056256 in words is "fifteen million, fifty-six thousand, two hundred fifty-six".