30180252 has 24 divisors (see below), whose sum is σ = 70677376. Its totient is φ = 10023408.

The previous prime is 30180229. The next prime is 30180259. The reversal of 30180252 is 25208103.

It is a super-2 number, since 2×30180252² = 1821695221567008, which contains 22 as substring.

It is a house number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30180259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048 + ... + 7839.

Almost surely, 2^30180252 is an apocalyptic number.

It is an amenable number.

30180252 is an abundant number, since it is smaller than the sum of its proper divisors (40497124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30180252 is a wasteful number, since it uses less digits than its factorization.

30180252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30180252 is about 5493.6556135237. The cubic root of 30180252 is about 311.3443248899.

Adding to 30180252 its reverse (25208103), we get a palindrome (55388355).

The spelling of 30180252 in words is "thirty million, one hundred eighty thousand, two hundred fifty-two".