30190982 has 4 divisors (see below), whose sum is σ = 45286476. Its totient is φ = 15095490.

The previous prime is 30190969. The next prime is 30190987. The reversal of 30190982 is 28909103.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30190982² = 1822990788248648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30190987) 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 as a sum of consecutive naturals, namely, 7547744 + ... + 7547747.

It is an arithmetic number, because the mean of its divisors is an integer number (11321619).

Almost surely, 2^30190982 is an apocalyptic number.

30190982 is a deficient number, since it is larger than the sum of its proper divisors (15095494).

30190982 is a wasteful number, since it uses less digits than its factorization.

30190982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15095493.

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

The square root of 30190982 is about 5494.6321077939. The cubic root of 30190982 is about 311.3812179856.

The spelling of 30190982 in words is "thirty million, one hundred ninety thousand, nine hundred eighty-two".