30520850 has 12 divisors (see below), whose sum is σ = 56768874. Its totient is φ = 12208320.

The previous prime is 30520837. The next prime is 30520873. The reversal of 30520850 is 5802503.

It can be written as a sum of positive squares in 3 ways, for example, as 12737761 + 17783089 = 3569^2 + 4217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305159 + ... + 305258.

Almost surely, 2^30520850 is an apocalyptic number.

30520850 is a deficient number, since it is larger than the sum of its proper divisors (26248024).

30520850 is a wasteful number, since it uses less digits than its factorization.

30520850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610429 (or 610424 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 30520850 is about 5524.5678564029. The cubic root of 30520850 is about 312.5111676009.

The spelling of 30520850 in words is "thirty million, five hundred twenty thousand, eight hundred fifty".