306645052 has 12 divisors (see below), whose sum is σ = 613290160. Its totient is φ = 131419296.

The previous prime is 306645037. The next prime is 306645071. The reversal of 306645052 is 250546603.

306645052 is an admirable number.

It is a congruent number.

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, 5475777 + ... + 5475832.

Almost surely, 2^306645052 is an apocalyptic number.

It is an amenable number.

306645052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

306645052 is a wasteful number, since it uses less digits than its factorization.

306645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951620 (or 10951618 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 306645052 is about 17511.2835623206. The cubic root of 306645052 is about 674.3395841508.

The spelling of 306645052 in words is "three hundred six million, six hundred forty-five thousand, fifty-two".