Base | Representation |
---|---|
bin | 11011101001111… |
… | …00111110011100 |
3 | 121011112001122222 |
4 | 31310330332130 |
5 | 433342010202 |
6 | 35004124512 |
7 | 5514561155 |
oct | 1564747634 |
9 | 534461588 |
10 | 231985052 |
11 | 109a49892 |
12 | 65836738 |
13 | 390a5980 |
14 | 22b4a92c |
15 | 155764a2 |
hex | dd3cf9c |
231985052 has 48 divisors (see below), whose sum is σ = 450751392. Its totient is φ = 103787520.
The previous prime is 231985049. The next prime is 231985063. The reversal of 231985052 is 250589132.
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, 496523 + ... + 496989.
It is an arithmetic number, because the mean of its divisors is an integer number (9390654).
Almost surely, 2231985052 is an apocalyptic number.
It is an amenable number.
231985052 is a deficient number, since it is larger than the sum of its proper divisors (218766340).
231985052 is a wasteful number, since it uses less digits than its factorization.
231985052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758 (or 756 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 231985052 is about 15231.0555116840. The cubic root of 231985052 is about 614.4501680170.
The spelling of 231985052 in words is "two hundred thirty-one million, nine hundred eighty-five thousand, fifty-two".
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