30185050 has 24 divisors (see below), whose sum is σ = 64165536. Its totient is φ = 10349040.

The previous prime is 30185033. The next prime is 30185059. The reversal of 30185050 is 5058103.

It is a super-2 number, since 2×30185050² = 1822274487005000, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30185059) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42772 + ... + 43471.

It is an arithmetic number, because the mean of its divisors is an integer number (2673564).

Almost surely, 2^30185050 is an apocalyptic number.

30185050 is an abundant number, since it is smaller than the sum of its proper divisors (33980486).

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

30185050 is a wasteful number, since it uses less digits than its factorization.

30185050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86262 (or 86257 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 30185050 is about 5494.0922817150. The cubic root of 30185050 is about 311.3608229951.

The spelling of 30185050 in words is "thirty million, one hundred eighty-five thousand, fifty".