30001288 has 16 divisors (see below), whose sum is σ = 56313180. Its totient is φ = 14984448.

The previous prime is 30001267. The next prime is 30001297. The reversal of 30001288 is 88210003.

It can be written as a sum of positive squares in 2 ways, for example, as 23251684 + 6749604 = 4822^2 + 2598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10156 + ... + 12772.

Almost surely, 2^30001288 is an apocalyptic number.

It is an amenable number.

30001288 is a deficient number, since it is larger than the sum of its proper divisors (26311892).

30001288 is a wasteful number, since it uses less digits than its factorization.

30001288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 30001288 is about 5477.3431515654. The cubic root of 30001288 is about 310.7276973267.

The spelling of 30001288 in words is "thirty million, one thousand, two hundred eighty-eight".