Base | Representation |
---|---|
bin | 11011100101001… |
… | …01011011010001 |
3 | 121010100112011100 |
4 | 31302211123101 |
5 | 433212124210 |
6 | 34542535013 |
7 | 5506364334 |
oct | 1562453321 |
9 | 533315140 |
10 | 231364305 |
11 | 109665477 |
12 | 65597469 |
13 | 38c19273 |
14 | 22a2861b |
15 | 154a25c0 |
hex | dca56d1 |
231364305 has 48 divisors (see below), whose sum is σ = 427400064. Its totient is φ = 115376640.
The previous prime is 231364283. The next prime is 231364307. The reversal of 231364305 is 503463132.
It is a happy number.
231364305 is a `hidden beast` number, since 2 + 3 + 13 + 643 + 0 + 5 = 666.
It is not a de Polignac number, because 231364305 - 218 = 231102161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231364307) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126850 + ... + 128660.
It is an arithmetic number, because the mean of its divisors is an integer number (8904168).
Almost surely, 2231364305 is an apocalyptic number.
It is an amenable number.
231364305 is a deficient number, since it is larger than the sum of its proper divisors (196035759).
231364305 is a wasteful number, since it uses less digits than its factorization.
231364305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2006 (or 2003 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
The square root of 231364305 is about 15210.6641866817. The cubic root of 231364305 is about 613.9016286433.
The spelling of 231364305 in words is "two hundred thirty-one million, three hundred sixty-four thousand, three hundred five".
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