305013928 has 16 divisors (see below), whose sum is σ = 572306580. Its totient is φ = 152398848.

The previous prime is 305013911. The next prime is 305013931. The reversal of 305013928 is 829310503.

It is a happy number.

305013928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 234151204 + 70862724 = 15302^2 + 8418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305013928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825 + ... + 24712.

Almost surely, 2^305013928 is an apocalyptic number.

It is an amenable number.

305013928 is a deficient number, since it is larger than the sum of its proper divisors (267292652).

305013928 is a wasteful number, since it uses less digits than its factorization.

305013928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27036 (or 27032 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 305013928 is about 17464.6479495007. The cubic root of 305013928 is about 673.1417958834.

The spelling of 305013928 in words is "three hundred five million, thirteen thousand, nine hundred twenty-eight".