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231012338 = 2115506169
BaseRepresentation
bin11011100010011…
…11011111110010
3121002200122100112
431301033133302
5433114343323
634531221322
75503400234
oct1561173762
9532618315
10231012338
11109444a97
1265447842
1338b24cbb
1422976254
1515433178
hexdc4f7f2

231012338 has 4 divisors (see below), whose sum is σ = 346518510. Its totient is φ = 115506168.

The previous prime is 231012283. The next prime is 231012367. The reversal of 231012338 is 833210132.

231012338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170903329 + 60109009 = 13073^2 + 7753^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57753083 + ... + 57753086.

Almost surely, 2231012338 is an apocalyptic number.

231012338 is a deficient number, since it is larger than the sum of its proper divisors (115506172).

231012338 is a wasteful number, since it uses less digits than its factorization.

231012338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115506171.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 231012338 is about 15199.0900385517. The cubic root of 231012338 is about 613.5901677843.

The spelling of 231012338 in words is "two hundred thirty-one million, twelve thousand, three hundred thirty-eight".

Divisors: 1 2 115506169 231012338