30182990 has 32 divisors (see below), whose sum is σ = 58877280. Its totient is φ = 11096064.

The previous prime is 30182951. The next prime is 30183029. The reversal of 30182990 is 9928103.

It is an interprime number because it is at equal distance from previous prime (30182951) and next prime (30183029).

It is a super-2 number, since 2×30182990² = 1822025770680200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5246 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (1839915).

Almost surely, 2^30182990 is an apocalyptic number.

30182990 is a deficient number, since it is larger than the sum of its proper divisors (28694290).

30182990 is a wasteful number, since it uses less digits than its factorization.

30182990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 30182990 is about 5493.9048044173. The cubic root of 30182990 is about 311.3537398211.

The spelling of 30182990 in words is "thirty million, one hundred eighty-two thousand, nine hundred ninety".