Base | Representation |
---|---|
bin | 1001101000011… |
… | …01111010010011 |
3 | 12122000221002202 |
4 | 10310031322103 |
5 | 131141003311 |
6 | 12003433415 |
7 | 2000523506 |
oct | 464157223 |
9 | 178027082 |
10 | 80797331 |
11 | 4167625a |
12 | 2308586b |
13 | 1397c294 |
14 | aa3313d |
15 | 715ee3b |
hex | 4d0de93 |
80797331 has 2 divisors, whose sum is σ = 80797332. Its totient is φ = 80797330.
The previous prime is 80797319. The next prime is 80797333. The reversal of 80797331 is 13379708.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80797331 - 26 = 80797267 is a prime.
It is a super-2 number, since 2×807973312 = 13056417393447122, which contains 22 as substring.
Together with 80797333, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80797333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40398665 + 40398666.
It is an arithmetic number, because the mean of its divisors is an integer number (40398666).
Almost surely, 280797331 is an apocalyptic number.
80797331 is a deficient number, since it is larger than the sum of its proper divisors (1).
80797331 is an equidigital number, since it uses as much as digits as its factorization.
80797331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 31752, while the sum is 38.
The square root of 80797331 is about 8988.7335592952. The cubic root of 80797331 is about 432.3137063964.
The spelling of 80797331 in words is "eighty million, seven hundred ninety-seven thousand, three hundred thirty-one".
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