30755250 has 48 divisors (see below), whose sum is σ = 83168280. Its totient is φ = 8200800.

The previous prime is 30755213. The next prime is 30755269. The reversal of 30755250 is 5255703.

It can be written as a sum of positive squares in 4 ways, for example, as 12938409 + 17816841 = 3597^2 + 4221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4585 + ... + 9084.

Almost surely, 2^30755250 is an apocalyptic number.

30755250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30755250 is an abundant number, since it is smaller than the sum of its proper divisors (52413030).

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

30755250 is a wasteful number, since it uses less digits than its factorization.

30755250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 30755250 is about 5545.7416095595. The cubic root of 30755250 is about 313.3091563761.

The spelling of 30755250 in words is "thirty million, seven hundred fifty-five thousand, two hundred fifty".