30159952 has 20 divisors (see below), whose sum is σ = 58535316. Its totient is φ = 15054080.

The previous prime is 30159937. The next prime is 30159953. The reversal of 30159952 is 25995103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 25160256 = 2236^2 + 5016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30159953) 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, 10938 + ... + 13414.

Almost surely, 2^30159952 is an apocalyptic number.

It is an amenable number.

30159952 is a deficient number, since it is larger than the sum of its proper divisors (28375364).

30159952 is a wasteful number, since it uses less digits than its factorization.

30159952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 30159952 is about 5491.8077169544. The cubic root of 30159952 is about 311.2745032133.

The spelling of 30159952 in words is "thirty million, one hundred fifty-nine thousand, nine hundred fifty-two".