30180236 has 48 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 13512960.

The previous prime is 30180229. The next prime is 30180259. The reversal of 30180236 is 63208103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217055 + ... + 217193.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^30180236 is an apocalyptic number.

It is an amenable number.

30180236 is a deficient number, since it is larger than the sum of its proper divisors (28525684).

30180236 is a wasteful number, since it uses less digits than its factorization.

30180236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30180236 is about 5493.6541572982. The cubic root of 30180236 is about 311.3442698704.

Adding to 30180236 its reverse (63208103), we get a palindrome (93388339).

The spelling of 30180236 in words is "thirty million, one hundred eighty thousand, two hundred thirty-six".