Base | Representation |
---|---|
bin | 1000001000101… |
… | …01010101100001 |
3 | 11202102012022102 |
4 | 10010111111201 |
5 | 114432313313 |
6 | 10434420145 |
7 | 1456033346 |
oct | 404252541 |
9 | 152365272 |
10 | 68244833 |
11 | 35582398 |
12 | 1aa31655 |
13 | 111a5977 |
14 | 90c67cd |
15 | 5ed0a58 |
hex | 4115561 |
68244833 has 2 divisors, whose sum is σ = 68244834. Its totient is φ = 68244832.
The previous prime is 68244829. The next prime is 68244863. The reversal of 68244833 is 33844286.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36626704 + 31618129 = 6052^2 + 5623^2 .
It is a cyclic number.
It is not a de Polignac number, because 68244833 - 22 = 68244829 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (68244863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34122416 + 34122417.
It is an arithmetic number, because the mean of its divisors is an integer number (34122417).
Almost surely, 268244833 is an apocalyptic number.
It is an amenable number.
68244833 is a deficient number, since it is larger than the sum of its proper divisors (1).
68244833 is an equidigital number, since it uses as much as digits as its factorization.
68244833 is an evil number, because the sum of its binary digits is even.
The product of its digits is 110592, while the sum is 38.
The square root of 68244833 is about 8261.0430939440. The cubic root of 68244833 is about 408.6547880871.
The spelling of 68244833 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred thirty-three".
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