30189002 has 8 divisors (see below), whose sum is σ = 46051200. Its totient is φ = 14838604.

The previous prime is 30188969. The next prime is 30189007. The reversal of 30189002 is 20098103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30189002² = 1822751683512008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30189007) 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 3 ways as a sum of consecutive naturals, for example, 127802 + ... + 128037.

It is an arithmetic number, because the mean of its divisors is an integer number (5756400).

Almost surely, 2^30189002 is an apocalyptic number.

30189002 is a deficient number, since it is larger than the sum of its proper divisors (15862198).

30189002 is a wasteful number, since it uses less digits than its factorization.

30189002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255900.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 30189002 is about 5494.4519289916. The cubic root of 30189002 is about 311.3744107842.

The spelling of 30189002 in words is "thirty million, one hundred eighty-nine thousand, two".