Base | Representation |
---|---|
bin | 11011101001101… |
… | …11000000110110 |
3 | 121011110211011110 |
4 | 31310313000312 |
5 | 433340220010 |
6 | 35003415450 |
7 | 5514430026 |
oct | 1564670066 |
9 | 534424143 |
10 | 231960630 |
11 | 109a32500 |
12 | 65824586 |
13 | 39097815 |
14 | 22b41a86 |
15 | 1556e120 |
hex | dd37036 |
231960630 has 48 divisors (see below), whose sum is σ = 611925552. Its totient is φ = 56232000.
The previous prime is 231960601. The next prime is 231960653. The reversal of 231960630 is 36069132.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28321 + ... + 35580.
It is an arithmetic number, because the mean of its divisors is an integer number (12748449).
Almost surely, 2231960630 is an apocalyptic number.
231960630 is an abundant number, since it is smaller than the sum of its proper divisors (379964922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231960630 is a wasteful number, since it uses less digits than its factorization.
231960630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63933 (or 63922 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 231960630 is about 15230.2537733289. The cubic root of 231960630 is about 614.4286053797.
The spelling of 231960630 in words is "two hundred thirty-one million, nine hundred sixty thousand, six hundred thirty".
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