30215258 has 16 divisors (see below), whose sum is σ = 46193760. Its totient is φ = 14819376.

The previous prime is 30215243. The next prime is 30215293. The reversal of 30215258 is 85251203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59108 + ... + 59616.

It is an arithmetic number, because the mean of its divisors is an integer number (2887110).

Almost surely, 2^30215258 is an apocalyptic number.

30215258 is a deficient number, since it is larger than the sum of its proper divisors (15978502).

30215258 is a wasteful number, since it uses less digits than its factorization.

30215258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 30215258 is about 5496.8407290006. The cubic root of 30215258 is about 311.4646542174.

The spelling of 30215258 in words is "thirty million, two hundred fifteen thousand, two hundred fifty-eight".