30133528 has 8 divisors (see below), whose sum is σ = 56500380. Its totient is φ = 15066760.

The previous prime is 30133517. The next prime is 30133549. The reversal of 30133528 is 82533103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883338 + ... + 1883353.

Almost surely, 2^30133528 is an apocalyptic number.

It is an amenable number.

30133528 is a deficient number, since it is larger than the sum of its proper divisors (26366852).

30133528 is a wasteful number, since it uses less digits than its factorization.

30133528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766697 (or 3766693 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30133528 is about 5489.4014245635. The cubic root of 30133528 is about 311.1835711419.

The spelling of 30133528 in words is "thirty million, one hundred thirty-three thousand, five hundred twenty-eight".