Base | Representation |
---|---|
bin | 1001101001100… |
… | …00010111001001 |
3 | 12122022002200001 |
4 | 10310300113021 |
5 | 131210012231 |
6 | 12010443001 |
7 | 2001652063 |
oct | 464602711 |
9 | 178262601 |
10 | 80938441 |
11 | 41762281 |
12 | 23133461 |
13 | 139cb58c |
14 | aa6c733 |
15 | 718bb61 |
hex | 4d305c9 |
80938441 has 2 divisors, whose sum is σ = 80938442. Its totient is φ = 80938440.
The previous prime is 80938433. The next prime is 80938453. The reversal of 80938441 is 14483908.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 72505225 + 8433216 = 8515^2 + 2904^2 .
It is a cyclic number.
It is not a de Polignac number, because 80938441 - 23 = 80938433 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 80938441.
It is not a weakly prime, because it can be changed into another prime (80930441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40469220 + 40469221.
It is an arithmetic number, because the mean of its divisors is an integer number (40469221).
Almost surely, 280938441 is an apocalyptic number.
It is an amenable number.
80938441 is a deficient number, since it is larger than the sum of its proper divisors (1).
80938441 is an equidigital number, since it uses as much as digits as its factorization.
80938441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 80938441 is about 8996.5794055296. The cubic root of 80938441 is about 432.5652341265.
The spelling of 80938441 in words is "eighty million, nine hundred thirty-eight thousand, four hundred forty-one".
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