Base | Representation |
---|---|
bin | 1000000111000… |
… | …10000100000001 |
3 | 11202000112020001 |
4 | 10003202010001 |
5 | 114404103232 |
6 | 10430120001 |
7 | 1454200144 |
oct | 403420401 |
9 | 152015201 |
10 | 68034817 |
11 | 35449624 |
12 | 1a950001 |
13 | 111311b6 |
14 | 907005b |
15 | 5e8d6e7 |
hex | 40e2101 |
68034817 has 2 divisors, whose sum is σ = 68034818. Its totient is φ = 68034816.
The previous prime is 68034793. The next prime is 68034829. The reversal of 68034817 is 71843086.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 60980481 + 7054336 = 7809^2 + 2656^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68034817 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (68034217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34017408 + 34017409.
It is an arithmetic number, because the mean of its divisors is an integer number (34017409).
Almost surely, 268034817 is an apocalyptic number.
It is an amenable number.
68034817 is a deficient number, since it is larger than the sum of its proper divisors (1).
68034817 is an equidigital number, since it uses as much as digits as its factorization.
68034817 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 68034817 is about 8248.3220717913. The cubic root of 68034817 is about 408.2351605536.
The spelling of 68034817 in words is "sixty-eight million, thirty-four thousand, eight hundred seventeen".
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