Base | Representation |
---|---|
bin | 11011100100011… |
… | …00010010000010 |
3 | 121010011021212212 |
4 | 31302030102002 |
5 | 433200330224 |
6 | 34540422122 |
7 | 5505455144 |
oct | 1562142202 |
9 | 533137785 |
10 | 231261314 |
11 | 1095a5059 |
12 | 65547942 |
13 | 38bb141b |
14 | 229dcc94 |
15 | 15481d0e |
hex | dc8c482 |
231261314 has 16 divisors (see below), whose sum is σ = 350477496. Its totient is φ = 114441600.
The previous prime is 231261311. The next prime is 231261367. The reversal of 231261314 is 413162132.
It can be written as a sum of positive squares in 4 ways, for example, as 218892025 + 12369289 = 14795^2 + 3517^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 231261314.
It is not an unprimeable number, because it can be changed into a prime (231261311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86924 + ... + 89544.
Almost surely, 2231261314 is an apocalyptic number.
231261314 is a deficient number, since it is larger than the sum of its proper divisors (119216182).
231261314 is a wasteful number, since it uses less digits than its factorization.
231261314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3061.
The product of its digits is 864, while the sum is 23.
The square root of 231261314 is about 15207.2783232240. The cubic root of 231261314 is about 613.8105230791.
The spelling of 231261314 in words is "two hundred thirty-one million, two hundred sixty-one thousand, three hundred fourteen".
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