Base | Representation |
---|---|
bin | 11011101000011… |
… | …10001101101000 |
3 | 121011011022220220 |
4 | 31310032031220 |
5 | 433314343022 |
6 | 35000050040 |
7 | 5513132556 |
oct | 1564161550 |
9 | 534138826 |
10 | 231793512 |
11 | 109928995 |
12 | 65763920 |
13 | 39039732 |
14 | 22adabd6 |
15 | 1553985c |
hex | dd0e368 |
231793512 has 32 divisors (see below), whose sum is σ = 579912480. Its totient is φ = 77207360.
The previous prime is 231793511. The next prime is 231793537. The reversal of 231793512 is 215397132.
231793512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (231793511) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40798 + ... + 46130.
It is an arithmetic number, because the mean of its divisors is an integer number (18122265).
Almost surely, 2231793512 is an apocalyptic number.
It is an amenable number.
231793512 is an abundant number, since it is smaller than the sum of its proper divisors (348118968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231793512 is a wasteful number, since it uses less digits than its factorization.
231793512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7153 (or 7149 counting only the distinct ones).
The product of its digits is 11340, while the sum is 33.
The square root of 231793512 is about 15224.7664021488. The cubic root of 231793512 is about 614.2810131655.
The spelling of 231793512 in words is "two hundred thirty-one million, seven hundred ninety-three thousand, five hundred twelve".
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