Base | Representation |
---|---|
bin | 11011100100001… |
… | …11111000110010 |
3 | 121010010101012012 |
4 | 31302013320302 |
5 | 433144241224 |
6 | 34540202522 |
7 | 5505351521 |
oct | 1562077062 |
9 | 533111165 |
10 | 231243314 |
11 | 109592585 |
12 | 65539442 |
13 | 38ba6183 |
14 | 229d64b8 |
15 | 1547b80e |
hex | dc87e32 |
231243314 has 16 divisors (see below), whose sum is σ = 353220696. Its totient is φ = 113510400.
The previous prime is 231243301. The next prime is 231243317. The reversal of 231243314 is 413342132.
It can be written as a sum of positive squares in 4 ways, for example, as 150872089 + 80371225 = 12283^2 + 8965^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 231243314.
It is not an unprimeable number, because it can be changed into a prime (231243317) 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, 76724 + ... + 79680.
Almost surely, 2231243314 is an apocalyptic number.
231243314 is a deficient number, since it is larger than the sum of its proper divisors (121977382).
231243314 is a wasteful number, since it uses less digits than its factorization.
231243314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3661.
The product of its digits is 1728, while the sum is 23.
The square root of 231243314 is about 15206.6864898307. The cubic root of 231243314 is about 613.7945975504.
Adding to 231243314 its reverse (413342132), we get a palindrome (644585446).
The spelling of 231243314 in words is "two hundred thirty-one million, two hundred forty-three thousand, three hundred fourteen".
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