30012008 has 16 divisors (see below), whose sum is σ = 60601380. Its totient is φ = 13851648.

The previous prime is 30011983. The next prime is 30012019. The reversal of 30012008 is 80021003.

It can be written as a sum of positive squares in 2 ways, for example, as 27646564 + 2365444 = 5258^2 + 1538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30011983 and 30012001.

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, 144185 + ... + 144392.

Almost surely, 2^30012008 is an apocalyptic number.

It is an amenable number.

30012008 is an abundant number, since it is smaller than the sum of its proper divisors (30589372).

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

30012008 is a wasteful number, since it uses less digits than its factorization.

30012008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288596 (or 288592 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30012008 is about 5478.3216407947. The cubic root of 30012008 is about 310.7647024519.

The spelling of 30012008 in words is "thirty million, twelve thousand, eight".