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231372294 = 2383464603
BaseRepresentation
bin11011100101001…
…11011000000110
3121010100221010020
431302213120012
5433212403134
634543040010
75506426536
oct1562473006
9533327106
10231372294
1110967047a
12655a0006
1338c1caaa
1422a2b4c6
15154a4b49
hexdca7606

231372294 has 16 divisors (see below), whose sum is σ = 468320832. Its totient is φ = 76194728.

The previous prime is 231372289. The next prime is 231372343. The reversal of 231372294 is 492273132.

231372294 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231804 + ... + 232799.

It is an arithmetic number, because the mean of its divisors is an integer number (29270052).

Almost surely, 2231372294 is an apocalyptic number.

231372294 is an abundant number, since it is smaller than the sum of its proper divisors (236948538).

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

231372294 is a wasteful number, since it uses less digits than its factorization.

231372294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464691.

The product of its digits is 18144, while the sum is 33.

The square root of 231372294 is about 15210.9267962212. The cubic root of 231372294 is about 613.9086945614.

The spelling of 231372294 in words is "two hundred thirty-one million, three hundred seventy-two thousand, two hundred ninety-four".

Divisors: 1 2 3 6 83 166 249 498 464603 929206 1393809 2787618 38562049 77124098 115686147 231372294