30147450 has 24 divisors (see below), whose sum is σ = 74766048. Its totient is φ = 8039280.

The previous prime is 30147437. The next prime is 30147451. The reversal of 30147450 is 5474103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30147450.

It is not an unprimeable number, because it can be changed into a prime (30147451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100342 + ... + 100641.

It is an arithmetic number, because the mean of its divisors is an integer number (3115252).

Almost surely, 2^30147450 is an apocalyptic number.

30147450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30147450 is an abundant number, since it is smaller than the sum of its proper divisors (44618598).

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

30147450 is a wasteful number, since it uses less digits than its factorization.

30147450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200998 (or 200993 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30147450 is about 5490.6693581020. The cubic root of 30147450 is about 311.2314871007.

The spelling of 30147450 in words is "thirty million, one hundred forty-seven thousand, four hundred fifty".