Base | Representation |
---|---|
bin | 1001100010101… |
… | …01110000101001 |
3 | 12120121121102101 |
4 | 10301111300221 |
5 | 130442334144 |
6 | 11535333401 |
7 | 1661232442 |
oct | 461256051 |
9 | 176547371 |
10 | 80043049 |
11 | 41200589 |
12 | 22981261 |
13 | 13776b68 |
14 | a8b82c9 |
15 | 70616d4 |
hex | 4c55c29 |
80043049 has 2 divisors, whose sum is σ = 80043050. Its totient is φ = 80043048.
The previous prime is 80043017. The next prime is 80043053. The reversal of 80043049 is 94034008.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54287424 + 25755625 = 7368^2 + 5075^2 .
It is a cyclic number.
It is not a de Polignac number, because 80043049 - 25 = 80043017 is a prime.
It is not a weakly prime, because it can be changed into another prime (80043079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40021524 + 40021525.
It is an arithmetic number, because the mean of its divisors is an integer number (40021525).
Almost surely, 280043049 is an apocalyptic number.
It is an amenable number.
80043049 is a deficient number, since it is larger than the sum of its proper divisors (1).
80043049 is an equidigital number, since it uses as much as digits as its factorization.
80043049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 80043049 is about 8946.6780986017. The cubic root of 80043049 is about 430.9642126964.
The spelling of 80043049 in words is "eighty million, forty-three thousand, forty-nine".
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