30147052 has 48 divisors (see below), whose sum is σ = 61175520. Its totient is φ = 12874752.

The previous prime is 30147049. The next prime is 30147077. The reversal of 30147052 is 25074103.

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

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 15 ways as a sum of consecutive naturals, for example, 58974 + ... + 59482.

It is an arithmetic number, because the mean of its divisors is an integer number (1274490).

Almost surely, 2^30147052 is an apocalyptic number.

It is an amenable number.

30147052 is an abundant number, since it is smaller than the sum of its proper divisors (31028468).

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

30147052 is a wasteful number, since it uses less digits than its factorization.

30147052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30147052 is about 5490.6331146781. The cubic root of 30147052 is about 311.2301174915.

The spelling of 30147052 in words is "thirty million, one hundred forty-seven thousand, fifty-two".