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231675216 = 24315833049
BaseRepresentation
bin11011100111100…
…01010101010000
3121010221022122120
431303301111100
5433302101331
634553334240
75512130643
oct1563612520
9533838576
10231675216
11109858023
1265707380
1338cc7936
1422aa9a5a
1515514796
hexdcf1550

231675216 has 40 divisors (see below), whose sum is σ = 599068800. Its totient is φ = 77150976.

The previous prime is 231675211. The next prime is 231675217. The reversal of 231675216 is 612576132.

231675216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231675211) 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, 74460 + ... + 77508.

It is an arithmetic number, because the mean of its divisors is an integer number (14976720).

Almost surely, 2231675216 is an apocalyptic number.

It is an amenable number.

231675216 is an abundant number, since it is smaller than the sum of its proper divisors (367393584).

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

231675216 is a wasteful number, since it uses less digits than its factorization.

231675216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643 (or 4637 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 231675216 is about 15220.8809206301. The cubic root of 231675216 is about 614.1764957849.

The spelling of 231675216 in words is "two hundred thirty-one million, six hundred seventy-five thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 1583 3049 3166 4749 6098 6332 9147 9498 12196 12664 18294 18996 24392 25328 36588 37992 48784 73176 75984 146352 4826567 9653134 14479701 19306268 28959402 38612536 57918804 77225072 115837608 231675216