Base | Representation |
---|---|
bin | 1001100110011… |
… | …01111011100101 |
3 | 12121112121121202 |
4 | 10303031323211 |
5 | 131104112034 |
6 | 11554052245 |
7 | 1665352463 |
oct | 463157345 |
9 | 177477552 |
10 | 80535269 |
11 | 41507381 |
12 | 22b7a085 |
13 | 138b9c09 |
14 | a9a5833 |
15 | 710c47e |
hex | 4ccdee5 |
80535269 has 2 divisors, whose sum is σ = 80535270. Its totient is φ = 80535268.
The previous prime is 80535227. The next prime is 80535271. The reversal of 80535269 is 96253508.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66748900 + 13786369 = 8170^2 + 3713^2 .
It is a cyclic number.
It is not a de Polignac number, because 80535269 - 216 = 80469733 is a prime.
It is a super-2 number, since 2×805352692 = 12971859105804722, which contains 22 as substring.
Together with 80535271, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80535209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40267634 + 40267635.
It is an arithmetic number, because the mean of its divisors is an integer number (40267635).
Almost surely, 280535269 is an apocalyptic number.
It is an amenable number.
80535269 is a deficient number, since it is larger than the sum of its proper divisors (1).
80535269 is an equidigital number, since it uses as much as digits as its factorization.
80535269 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64800, while the sum is 38.
The square root of 80535269 is about 8974.1444717589. The cubic root of 80535269 is about 431.8458043796.
The spelling of 80535269 in words is "eighty million, five hundred thirty-five thousand, two hundred sixty-nine".
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