Base | Representation |
---|---|
bin | 1010010000010100111001 |
3 | 12001120200011 |
4 | 22100110321 |
5 | 1142011223 |
6 | 133341521 |
7 | 31564435 |
oct | 12202471 |
9 | 5046604 |
10 | 2688313 |
11 | 1576851 |
12 | a978a1 |
13 | 731824 |
14 | 4dd9c5 |
15 | 38180d |
hex | 290539 |
2688313 has 2 divisors, whose sum is σ = 2688314. Its totient is φ = 2688312.
The previous prime is 2688299. The next prime is 2688337. The reversal of 2688313 is 3138862.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2518569 + 169744 = 1587^2 + 412^2 .
It is a cyclic number.
It is not a de Polignac number, because 2688313 - 217 = 2557241 is a prime.
It is not a weakly prime, because it can be changed into another prime (2688373) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344156 + 1344157.
It is an arithmetic number, because the mean of its divisors is an integer number (1344157).
22688313 is an apocalyptic number.
It is an amenable number.
2688313 is a deficient number, since it is larger than the sum of its proper divisors (1).
2688313 is an equidigital number, since it uses as much as digits as its factorization.
2688313 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6912, while the sum is 31.
The square root of 2688313 is about 1639.6075750008. The cubic root of 2688313 is about 139.0464623932.
It can be divided in two parts, 26883 and 13, that added together give a square (26896 = 1642).
The spelling of 2688313 in words is "two million, six hundred eighty-eight thousand, three hundred thirteen".
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