30252918 has 16 divisors (see below), whose sum is σ = 60559920. Its totient is φ = 10075296.

The previous prime is 30252881. The next prime is 30252923. The reversal of 30252918 is 81925203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11196 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (3784995).

Almost surely, 2^30252918 is an apocalyptic number.

30252918 is an abundant number, since it is smaller than the sum of its proper divisors (30307002).

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

30252918 is a wasteful number, since it uses less digits than its factorization.

30252918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 30252918 is about 5500.2652663303. The cubic root of 30252918 is about 311.5940026519.

The spelling of 30252918 in words is "thirty million, two hundred fifty-two thousand, nine hundred eighteen".