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231374264 = 23112239023
BaseRepresentation
bin11011100101001…
…11110110111000
3121010101000211012
431302213312320
5433212434024
634543053052
75506435352
oct1562476670
9533330735
10231374264
11109671a00
12655a1188
1338c20964
1422a2c0d2
15154a550e
hexdca7db8

231374264 has 24 divisors (see below), whose sum is σ = 476852880. Its totient is φ = 105169680.

The previous prime is 231374261. The next prime is 231374287. The reversal of 231374264 is 462473132.

It is a self number, because there is not a number n which added to its sum of digits gives 231374264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231374261) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 118544 + ... + 120479.

It is an arithmetic number, because the mean of its divisors is an integer number (19868870).

Almost surely, 2231374264 is an apocalyptic number.

It is an amenable number.

231374264 is an abundant number, since it is smaller than the sum of its proper divisors (245478616).

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

231374264 is a wasteful number, since it uses less digits than its factorization.

231374264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239051 (or 239036 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 231374264 is about 15210.9915521638. The cubic root of 231374264 is about 613.9104369145.

The spelling of 231374264 in words is "two hundred thirty-one million, three hundred seventy-four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 239023 478046 956092 1912184 2629253 5258506 10517012 21034024 28921783 57843566 115687132 231374264