30275100 has 72 divisors (see below), whose sum is σ = 97337520. Its totient is φ = 8072640.

The previous prime is 30275087. The next prime is 30275111. The reversal of 30275100 is 157203.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2907 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (1351910).

Almost surely, 2^30275100 is an apocalyptic number.

30275100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30275100 is an abundant number, since it is smaller than the sum of its proper divisors (67062420).

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

30275100 is a wasteful number, since it uses less digits than its factorization.

30275100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236 (or 11223 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30275100 is about 5502.2813450423. The cubic root of 30275100 is about 311.6701395453.

The spelling of 30275100 in words is "thirty million, two hundred seventy-five thousand, one hundred".