30448912 has 20 divisors (see below), whose sum is σ = 63533260. Its totient is φ = 14053248.

The previous prime is 30448907. The next prime is 30448919. The reversal of 30448912 is 21984403.

It can be written as a sum of positive squares in 2 ways, for example, as 10342656 + 20106256 = 3216^2 + 4484^2 .

It is not an unprimeable number, because it can be changed into a prime (30448919) 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, 72987 + ... + 73402.

It is an arithmetic number, because the mean of its divisors is an integer number (3176663).

Almost surely, 2^30448912 is an apocalyptic number.

It is an amenable number.

30448912 is an abundant number, since it is smaller than the sum of its proper divisors (33084348).

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

30448912 is a wasteful number, since it uses less digits than its factorization.

30448912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146410 (or 146404 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 30448912 is about 5518.0532799167. The cubic root of 30448912 is about 312.2654436173.

The spelling of 30448912 in words is "thirty million, four hundred forty-eight thousand, nine hundred twelve".