30147216 has 40 divisors (see below), whose sum is σ = 84961824. Its totient is φ = 9135360.

The previous prime is 30147209. The next prime is 30147223. The reversal of 30147216 is 61274103.

It is an interprime number because it is at equal distance from previous prime (30147209) and next prime (30147223).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

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, 28021 + ... + 29076.

Almost surely, 2^30147216 is an apocalyptic number.

It is an amenable number.

30147216 is an abundant number, since it is smaller than the sum of its proper divisors (54814608).

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

30147216 is a wasteful number, since it uses less digits than its factorization.

30147216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57119 (or 57113 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30147216 is about 5490.6480491833. The cubic root of 30147216 is about 311.2306818545.

The spelling of 30147216 in words is "thirty million, one hundred forty-seven thousand, two hundred sixteen".