15130256 has 20 divisors (see below), whose sum is σ = 29474304. Its totient is φ = 7524000.

The previous prime is 15130243. The next prime is 15130261. The reversal of 15130256 is 65203151.

15130256 = 181² + 182² + ... + 371².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 5531.

Almost surely, 2^15130256 is an apocalyptic number.

15130256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15130256 is a deficient number, since it is larger than the sum of its proper divisors (14344048).

15130256 is a wasteful number, since it uses less digits than its factorization.

15130256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150 (or 5144 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 15130256 is about 3889.7629747839. The cubic root of 15130256 is about 247.3330152752. Note that the first 3 decimals are identical.

The spelling of 15130256 in words is "fifteen million, one hundred thirty thousand, two hundred fifty-six".