Base | Representation |
---|---|
bin | 1001100010011… |
… | …01010101000101 |
3 | 12120112212001102 |
4 | 10301031111011 |
5 | 130440233032 |
6 | 11534505445 |
7 | 1661026661 |
oct | 461152505 |
9 | 176485042 |
10 | 80008517 |
11 | 41187646 |
12 | 22965285 |
13 | 13764224 |
14 | a8a98a1 |
15 | 7056362 |
hex | 4c4d545 |
80008517 has 2 divisors, whose sum is σ = 80008518. Its totient is φ = 80008516.
The previous prime is 80008499. The next prime is 80008549. The reversal of 80008517 is 71580008.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 78872161 + 1136356 = 8881^2 + 1066^2 .
It is a cyclic number.
It is not a de Polignac number, because 80008517 - 216 = 79942981 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80008517.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80008567) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40004258 + 40004259.
It is an arithmetic number, because the mean of its divisors is an integer number (40004259).
Almost surely, 280008517 is an apocalyptic number.
It is an amenable number.
80008517 is a deficient number, since it is larger than the sum of its proper divisors (1).
80008517 is an equidigital number, since it uses as much as digits as its factorization.
80008517 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2240, while the sum is 29.
The square root of 80008517 is about 8944.7480121019. The cubic root of 80008517 is about 430.9022285640.
The spelling of 80008517 in words is "eighty million, eight thousand, five hundred seventeen".
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