Base | Representation |
---|---|
bin | 1001100101110… |
… | …11000101001001 |
3 | 12121101200201001 |
4 | 10302323011021 |
5 | 131044124212 |
6 | 11552255001 |
7 | 1664611411 |
oct | 462730511 |
9 | 177350631 |
10 | 80458057 |
11 | 41464369 |
12 | 22b41461 |
13 | 13890a24 |
14 | a985641 |
15 | 70e4657 |
hex | 4cbb149 |
80458057 has 2 divisors, whose sum is σ = 80458058. Its totient is φ = 80458056.
The previous prime is 80458043. The next prime is 80458069. The reversal of 80458057 is 75085408.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 40755456 + 39702601 = 6384^2 + 6301^2 .
It is a cyclic number.
It is not a de Polignac number, because 80458057 - 223 = 72069449 is a prime.
It is not a weakly prime, because it can be changed into another prime (80458657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40229028 + 40229029.
It is an arithmetic number, because the mean of its divisors is an integer number (40229029).
Almost surely, 280458057 is an apocalyptic number.
It is an amenable number.
80458057 is a deficient number, since it is larger than the sum of its proper divisors (1).
80458057 is an equidigital number, since it uses as much as digits as its factorization.
80458057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 44800, while the sum is 37.
The square root of 80458057 is about 8969.8415259134. The cubic root of 80458057 is about 431.7077516553.
The spelling of 80458057 in words is "eighty million, four hundred fifty-eight thousand, fifty-seven".
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