305112628 has 12 divisors (see below), whose sum is σ = 534073540. Its totient is φ = 152520192.

The previous prime is 305112623. The next prime is 305112629. The reversal of 305112628 is 826211503.

305112628 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 233845264 + 71267364 = 15292^2 + 8442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305112596 and 305112605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305112623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21268 + ... + 32596.

Almost surely, 2^305112628 is an apocalyptic number.

It is an amenable number.

305112628 is a deficient number, since it is larger than the sum of its proper divisors (228960912).

305112628 is a wasteful number, since it uses less digits than its factorization.

305112628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066 (or 18064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 305112628 is about 17467.4734292055. The cubic root of 305112628 is about 673.2143957704.

The spelling of 305112628 in words is "three hundred five million, one hundred twelve thousand, six hundred twenty-eight".