30157852 has 12 divisors (see below), whose sum is σ = 52816176. Its totient is φ = 15067520.

The previous prime is 30157789. The next prime is 30157861. The reversal of 30157852 is 25875103.

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, 6513 + ... + 10135.

It is an arithmetic number, because the mean of its divisors is an integer number (4401348).

Almost surely, 2^30157852 is an apocalyptic number.

It is an amenable number.

30157852 is a deficient number, since it is larger than the sum of its proper divisors (22658324).

30157852 is a wasteful number, since it uses less digits than its factorization.

30157852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5706 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 30157852 is about 5491.6165197508. The cubic root of 30157852 is about 311.2672784933.

The spelling of 30157852 in words is "thirty million, one hundred fifty-seven thousand, eight hundred fifty-two".