247113320 has 32 divisors (see below), whose sum is σ = 561745800. Its totient is φ = 97824768.

The previous prime is 247113319. The next prime is 247113323. The reversal of 247113320 is 23311742.

It can be written as a sum of positive squares in 4 ways, for example, as 196504324 + 50608996 = 14018^2 + 7114^2 .

It is a super-2 number, since 2×247113320² = 122129985842844800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247113323) 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, 27965 + ... + 35724.

Almost surely, 2^247113320 is an apocalyptic number.

247113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247113320 is an abundant number, since it is smaller than the sum of its proper divisors (314632480).

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

247113320 is a wasteful number, since it uses less digits than its factorization.

247113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63797 (or 63793 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 247113320 is about 15719.8384215615. The cubic root of 247113320 is about 627.5264730661.

The spelling of 247113320 in words is "two hundred forty-seven million, one hundred thirteen thousand, three hundred twenty".