30180189 has 32 divisors (see below), whose sum is σ = 46076800. Its totient is φ = 17521920.

The previous prime is 30180181. The next prime is 30180191. The reversal of 30180189 is 98108103.

It is not a de Polignac number, because 30180189 - 2³ = 30180181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30180181) 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 31 ways as a sum of consecutive naturals, for example, 125109 + ... + 125349.

It is an arithmetic number, because the mean of its divisors is an integer number (1439900).

Almost surely, 2^30180189 is an apocalyptic number.

30180189 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30180189 is a deficient number, since it is larger than the sum of its proper divisors (15896611).

30180189 is a wasteful number, since it uses less digits than its factorization.

30180189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 30180189 is about 5493.6498796338. The cubic root of 30180189 is about 311.3441082504.

The spelling of 30180189 in words is "thirty million, one hundred eighty thousand, one hundred eighty-nine".