Base | Representation |
---|---|
bin | 10010101101001… |
… | …100010111111001 |
3 | 210212112120111102 |
4 | 102231030113321 |
5 | 1120320241144 |
6 | 51050341145 |
7 | 10530366551 |
oct | 2255142771 |
9 | 725476442 |
10 | 313837049 |
11 | 151175469 |
12 | 8912a7b5 |
13 | 50033cc6 |
14 | 2d976161 |
15 | 1c843b4e |
hex | 12b4c5f9 |
313837049 has 2 divisors, whose sum is σ = 313837050. Its totient is φ = 313837048.
The previous prime is 313837039. The next prime is 313837057. The reversal of 313837049 is 940738313.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 214476025 + 99361024 = 14645^2 + 9968^2 .
It is an emirp because it is prime and its reverse (940738313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 313837049 - 24 = 313837033 is a prime.
It is equal to p16960628 and since 313837049 and 16960628 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (313837039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156918524 + 156918525.
It is an arithmetic number, because the mean of its divisors is an integer number (156918525).
Almost surely, 2313837049 is an apocalyptic number.
It is an amenable number.
313837049 is a deficient number, since it is larger than the sum of its proper divisors (1).
313837049 is an equidigital number, since it uses as much as digits as its factorization.
313837049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 313837049 is about 17715.4466215221. The cubic root of 313837049 is about 679.5708429646.
The spelling of 313837049 in words is "three hundred thirteen million, eight hundred thirty-seven thousand, forty-nine".
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