30204028 has 12 divisors (see below), whose sum is σ = 53723992. Its totient is φ = 14854320.

The previous prime is 30203989. The next prime is 30204059. The reversal of 30204028 is 82040203.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 30203996 and 30204014.

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 in 3 ways as a sum of consecutive naturals, for example, 61650 + ... + 62137.

Almost surely, 2^30204028 is an apocalyptic number.

It is an amenable number.

30204028 is a deficient number, since it is larger than the sum of its proper divisors (23519964).

30204028 is a wasteful number, since it uses less digits than its factorization.

30204028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123852 (or 123850 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30204028 is about 5495.8191382177. The cubic root of 30204028 is about 311.4260624405.

The spelling of 30204028 in words is "thirty million, two hundred four thousand, twenty-eight".