256082930 has 16 divisors (see below), whose sum is σ = 462323160. Its totient is φ = 102127872.

The previous prime is 256082923. The next prime is 256082987. The reversal of 256082930 is 39280652.

It can be written as a sum of positive squares in 4 ways, for example, as 110229001 + 145853929 = 10499^2 + 12077^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34625 + ... + 41364.

Almost surely, 2^256082930 is an apocalyptic number.

256082930 is a deficient number, since it is larger than the sum of its proper divisors (206240230).

256082930 is a wasteful number, since it uses less digits than its factorization.

256082930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76333.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 256082930 is about 16002.5913526529. The cubic root of 256082930 is about 635.0289775356.

The spelling of 256082930 in words is "two hundred fifty-six million, eighty-two thousand, nine hundred thirty".