30282147 has 48 divisors (see below), whose sum is σ = 53406720. Its totient is φ = 16901136.

The previous prime is 30282107. The next prime is 30282157. The reversal of 30282147 is 74128203.

It is not a de Polignac number, because 30282147 - 2¹⁰ = 30281123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30282147.

It is not an unprimeable number, because it can be changed into a prime (30282107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61938 + ... + 62424.

It is an arithmetic number, because the mean of its divisors is an integer number (1112640).

Almost surely, 2^30282147 is an apocalyptic number.

30282147 is a deficient number, since it is larger than the sum of its proper divisors (23124573).

30282147 is a wasteful number, since it uses less digits than its factorization.

30282147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 30282147 is about 5502.9216785268. The cubic root of 30282147 is about 311.6943196920.

The spelling of 30282147 in words is "thirty million, two hundred eighty-two thousand, one hundred forty-seven".