30480428 has 24 divisors (see below), whose sum is σ = 60721920. Its totient is φ = 13251920.

The previous prime is 30480413. The next prime is 30480449. The reversal of 30480428 is 82408403.

It is a self number, because there is not a number n which added to its sum of digits gives 30480428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (2530080).

Almost surely, 2^30480428 is an apocalyptic number.

It is an amenable number.

30480428 is a deficient number, since it is larger than the sum of its proper divisors (30241492).

30480428 is a wasteful number, since it uses less digits than its factorization.

30480428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30157 (or 30155 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 30480428 is about 5520.9082586111. The cubic root of 30480428 is about 312.3731427501.

The spelling of 30480428 in words is "thirty million, four hundred eighty thousand, four hundred twenty-eight".