30201688 has 32 divisors (see below), whose sum is σ = 63774720. Its totient is φ = 13284000.

The previous prime is 30201671. The next prime is 30201709. The reversal of 30201688 is 88610203.

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, 2808 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (1992960).

Almost surely, 2^30201688 is an apocalyptic number.

It is an amenable number.

30201688 is an abundant number, since it is smaller than the sum of its proper divisors (33573032).

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

30201688 is a wasteful number, since it uses less digits than its factorization.

30201688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119 (or 11115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 30201688 is about 5495.6062449924. The cubic root of 30201688 is about 311.4180198508.

The spelling of 30201688 in words is "thirty million, two hundred one thousand, six hundred eighty-eight".