30056147 has 8 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 26135560.

The previous prime is 30056123. The next prime is 30056189. The reversal of 30056147 is 74165003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-30056147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30056197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59147 + ... + 59652.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^30056147 is an apocalyptic number.

30056147 is a deficient number, since it is larger than the sum of its proper divisors (4158253).

30056147 is a wasteful number, since it uses less digits than its factorization.

30056147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118833.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30056147 is about 5482.3486755222. The cubic root of 30056147 is about 310.9169762149.

It can be divided in two parts, 30056 and 147, that added together give a palindrome (30203).

The spelling of 30056147 in words is "thirty million, fifty-six thousand, one hundred forty-seven".