30155264 has 20 divisors (see below), whose sum is σ = 60252654. Its totient is φ = 15077376.

The previous prime is 30155249. The next prime is 30155269. The reversal of 30155264 is 46255103.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 1081600 = 5392^2 + 1040^2 .

It is not an unprimeable number, because it can be changed into a prime (30155269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28937 + ... + 29960.

Almost surely, 2^30155264 is an apocalyptic number.

It is an amenable number.

30155264 is a deficient number, since it is larger than the sum of its proper divisors (30097390).

30155264 is an frugal number, since it uses more digits than its factorization.

30155264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58915 (or 58899 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30155264 is about 5491.3808828017. The cubic root of 30155264 is about 311.2583744245.

The spelling of 30155264 in words is "thirty million, one hundred fifty-five thousand, two hundred sixty-four".