Base | Representation |
---|---|
bin | 11011100101101… |
… | …00100110011100 |
3 | 121010110200102101 |
4 | 31302310212130 |
5 | 433221121320 |
6 | 34544134444 |
7 | 5510043466 |
oct | 1562644634 |
9 | 533420371 |
10 | 231426460 |
11 | 1096a8141 |
12 | 65607424 |
13 | 38c3b645 |
14 | 22a43136 |
15 | 154b5c0a |
hex | dcb499c |
231426460 has 48 divisors (see below), whose sum is σ = 533836800. Its totient is φ = 83882304.
The previous prime is 231426443. The next prime is 231426523. The reversal of 231426460 is 64624132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500 + ... + 21979.
It is an arithmetic number, because the mean of its divisors is an integer number (11121600).
Almost surely, 2231426460 is an apocalyptic number.
231426460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231426460 is an abundant number, since it is smaller than the sum of its proper divisors (302410340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231426460 is a wasteful number, since it uses less digits than its factorization.
231426460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26530 (or 26528 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 231426460 is about 15212.7071884001. The cubic root of 231426460 is about 613.9565977094.
The spelling of 231426460 in words is "two hundred thirty-one million, four hundred twenty-six thousand, four hundred sixty".
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