Base | Representation |
---|---|
bin | 1001100111100… |
… | …00000111000101 |
3 | 12121210201122221 |
4 | 10303300013011 |
5 | 131123102034 |
6 | 12001052341 |
7 | 1666504603 |
oct | 463600705 |
9 | 177721587 |
10 | 80675269 |
11 | 415a2584 |
12 | 230270b1 |
13 | 1393885c |
14 | aa00873 |
15 | 7138bb4 |
hex | 4cf01c5 |
80675269 has 2 divisors, whose sum is σ = 80675270. Its totient is φ = 80675268.
The previous prime is 80675239. The next prime is 80675321. The reversal of 80675269 is 96257608.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 80460900 + 214369 = 8970^2 + 463^2 .
It is a cyclic number.
It is not a de Polignac number, because 80675269 - 27 = 80675141 is a prime.
It is a super-2 number, since 2×806752692 = 13016998056444722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80675219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40337634 + 40337635.
It is an arithmetic number, because the mean of its divisors is an integer number (40337635).
Almost surely, 280675269 is an apocalyptic number.
It is an amenable number.
80675269 is a deficient number, since it is larger than the sum of its proper divisors (1).
80675269 is an equidigital number, since it uses as much as digits as its factorization.
80675269 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 80675269 is about 8981.9412712398. The cubic root of 80675269 is about 432.0958952783.
The spelling of 80675269 in words is "eighty million, six hundred seventy-five thousand, two hundred sixty-nine".
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