Base | Representation |
---|---|
bin | 11011100110110… |
… | …01001110001100 |
3 | 121010202022011221 |
4 | 31303121032030 |
5 | 433240421320 |
6 | 34551253124 |
7 | 5511240013 |
oct | 1563311614 |
9 | 533668157 |
10 | 231576460 |
11 | 10979a905 |
12 | 6567a1a4 |
13 | 38c919bb |
14 | 22a81a7a |
15 | 154e53aa |
hex | dcd938c |
231576460 has 12 divisors (see below), whose sum is σ = 486310608. Its totient is φ = 92630576.
The previous prime is 231576439. The next prime is 231576461. The reversal of 231576460 is 64675132.
It is a happy number.
It is a super-2 number, since 2×2315764602 = 107255313652263200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (231576461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789392 + ... + 5789431.
It is an arithmetic number, because the mean of its divisors is an integer number (40525884).
Almost surely, 2231576460 is an apocalyptic number.
231576460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231576460 is an abundant number, since it is smaller than the sum of its proper divisors (254734148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231576460 is a wasteful number, since it uses less digits than its factorization.
231576460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11578832 (or 11578830 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 34.
The square root of 231576460 is about 15217.6364787703. The cubic root of 231576460 is about 614.0892152155.
The spelling of 231576460 in words is "two hundred thirty-one million, five hundred seventy-six thousand, four hundred sixty".
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