30119990 has 16 divisors (see below), whose sum is σ = 54394848. Its totient is φ = 12008256.

The previous prime is 30119989. The next prime is 30120011. The reversal of 30119990 is 9991103.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (3399678).

Almost surely, 2^30119990 is an apocalyptic number.

30119990 is a deficient number, since it is larger than the sum of its proper divisors (24274858).

30119990 is a wasteful number, since it uses less digits than its factorization.

30119990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 30119990 is about 5488.1681825542. The cubic root of 30119990 is about 311.1369626572.

The spelling of 30119990 in words is "thirty million, one hundred nineteen thousand, nine hundred ninety".