Base | Representation |
---|---|
bin | 11011100101000… |
… | …00010010101011 |
3 | 121010022110022110 |
4 | 31302200102223 |
5 | 433210441100 |
6 | 34542253403 |
7 | 5506246122 |
oct | 1562402253 |
9 | 533273273 |
10 | 231343275 |
11 | 109650699 |
12 | 65587263 |
13 | 38c0c817 |
14 | 22a20ab9 |
15 | 1549b250 |
hex | dca04ab |
231343275 has 24 divisors (see below), whose sum is σ = 382944240. Its totient is φ = 123235840.
The previous prime is 231343267. The next prime is 231343291. The reversal of 231343275 is 572343132.
It is not a de Polignac number, because 231343275 - 23 = 231343267 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95479 + ... + 97871.
It is an arithmetic number, because the mean of its divisors is an integer number (15956010).
Almost surely, 2231343275 is an apocalyptic number.
231343275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
231343275 is a deficient number, since it is larger than the sum of its proper divisors (151600965).
231343275 is a wasteful number, since it uses less digits than its factorization.
231343275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3695 (or 3690 counting only the distinct ones).
The product of its digits is 15120, while the sum is 30.
The square root of 231343275 is about 15209.9728796602. The cubic root of 231343275 is about 613.8830277584.
The spelling of 231343275 in words is "two hundred thirty-one million, three hundred forty-three thousand, two hundred seventy-five".
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