30280912 has 20 divisors (see below), whose sum is σ = 59121216. Its totient is φ = 15023840.

The previous prime is 30280907. The next prime is 30280931. The reversal of 30280912 is 21908203.

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, 5128 + ... + 9319.

Almost surely, 2^30280912 is an apocalyptic number.

It is an amenable number.

30280912 is a deficient number, since it is larger than the sum of its proper divisors (28840304).

30280912 is a wasteful number, since it uses less digits than its factorization.

30280912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586 (or 14580 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30280912 is about 5502.8094642646. The cubic root of 30280912 is about 311.6900823470.

The spelling of 30280912 in words is "thirty million, two hundred eighty thousand, nine hundred twelve".