30865152 has 36 divisors (see below), whose sum is σ = 82148360. Its totient is φ = 10288128.

The previous prime is 30865151. The next prime is 30865157. The reversal of 30865152 is 25156803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30865151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19327 + ... + 20862.

Almost surely, 2^30865152 is an apocalyptic number.

30865152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30865152 is an abundant number, since it is smaller than the sum of its proper divisors (51283208).

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

30865152 is an equidigital number, since it uses as much as digits as its factorization.

30865152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40208 (or 40194 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 30865152 is about 5555.6414571137. The cubic root of 30865152 is about 313.6819097438.

The spelling of 30865152 in words is "thirty million, eight hundred sixty-five thousand, one hundred fifty-two".