Base | Representation |
---|---|
bin | 11011100110001… |
… | …01110000110000 |
3 | 121010121020211210 |
4 | 31303011300300 |
5 | 433230344002 |
6 | 34545440120 |
7 | 5510455434 |
oct | 1563056060 |
9 | 533536753 |
10 | 231496752 |
11 | 109745a33 |
12 | 65640040 |
13 | 38c64636 |
14 | 22a609c4 |
15 | 154cb96c |
hex | dcc5c30 |
231496752 has 40 divisors (see below), whose sum is σ = 633213936. Its totient is φ = 72626176.
The previous prime is 231496729. The next prime is 231496757. The reversal of 231496752 is 257694132.
It is a self number, because there is not a number n which added to its sum of digits gives 231496752.
It is not an unprimeable number, because it can be changed into a prime (231496757) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 141033 + ... + 142664.
Almost surely, 2231496752 is an apocalyptic number.
It is an amenable number.
231496752 is an abundant number, since it is smaller than the sum of its proper divisors (401717184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231496752 is a wasteful number, since it uses less digits than its factorization.
231496752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283725 (or 283719 counting only the distinct ones).
The product of its digits is 90720, while the sum is 39.
The square root of 231496752 is about 15215.0173184259. The cubic root of 231496752 is about 614.0187511736.
The spelling of 231496752 in words is "two hundred thirty-one million, four hundred ninety-six thousand, seven hundred fifty-two".
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