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230113072 = 2472054581
BaseRepresentation
bin11011011011100…
…11111100110000
3121000222221210101
431231303330300
5432402104242
634500042144
75462633410
oct1555637460
9530887711
10230113072
111089903a2
1265093354
133889b8a7
14227c0640
15153069b7
hexdb73f30

230113072 has 20 divisors (see below), whose sum is σ = 509536336. Its totient is φ = 98619840.

The previous prime is 230112983. The next prime is 230113097. The reversal of 230113072 is 270311032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027179 + ... + 1027402.

Almost surely, 2230113072 is an apocalyptic number.

It is an amenable number.

230113072 is an abundant number, since it is smaller than the sum of its proper divisors (279423264).

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

230113072 is a wasteful number, since it uses less digits than its factorization.

230113072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054596 (or 2054590 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 230113072 is about 15169.4783034882. The cubic root of 230113072 is about 612.7929545145.

The spelling of 230113072 in words is "two hundred thirty million, one hundred thirteen thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 2054581 4109162 8218324 14382067 16436648 28764134 32873296 57528268 115056536 230113072