30081258 has 24 divisors (see below), whose sum is σ = 66151488. Its totient is φ = 9877032.

The previous prime is 30081241. The next prime is 30081277. The reversal of 30081258 is 85218003.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 11266 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (2756312).

Almost surely, 2^30081258 is an apocalyptic number.

30081258 is an abundant number, since it is smaller than the sum of its proper divisors (36070230).

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

30081258 is a wasteful number, since it uses less digits than its factorization.

30081258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018 (or 25015 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 30081258 is about 5484.6383654713. The cubic root of 30081258 is about 311.0035393496.

The spelling of 30081258 in words is "thirty million, eighty-one thousand, two hundred fifty-eight".