306152420 has 48 divisors (see below), whose sum is σ = 760112640. Its totient is φ = 101345664.

The previous prime is 306152419. The next prime is 306152479. The reversal of 306152420 is 24251603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33644 + ... + 41763.

It is an arithmetic number, because the mean of its divisors is an integer number (15835680).

Almost surely, 2^306152420 is an apocalyptic number.

It is an amenable number.

306152420 is an abundant number, since it is smaller than the sum of its proper divisors (453960220).

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

306152420 is a wasteful number, since it uses less digits than its factorization.

306152420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75452 (or 75450 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 306152420 is about 17497.2117778805. The cubic root of 306152420 is about 673.9782768228.

The spelling of 306152420 in words is "three hundred six million, one hundred fifty-two thousand, four hundred twenty".