Base | Representation |
---|---|
bin | 1010001000101… |
… | …10001010100011 |
3 | 12220222201222111 |
4 | 11010112022203 |
5 | 133231303233 |
6 | 12234220151 |
7 | 2051463406 |
oct | 504261243 |
9 | 186881874 |
10 | 85025443 |
11 | 43aa3968 |
12 | 24584657 |
13 | 147cc919 |
14 | b413d3d |
15 | 76e7acd |
hex | 51162a3 |
85025443 has 2 divisors, whose sum is σ = 85025444. Its totient is φ = 85025442.
The previous prime is 85025441. The next prime is 85025453. The reversal of 85025443 is 34452058.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 85025443 - 21 = 85025441 is a prime.
Together with 85025441, it forms a pair of twin primes.
It is equal to p4945081 and since 85025443 and 4945081 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (85025441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42512721 + 42512722.
It is an arithmetic number, because the mean of its divisors is an integer number (42512722).
Almost surely, 285025443 is an apocalyptic number.
85025443 is a deficient number, since it is larger than the sum of its proper divisors (1).
85025443 is an equidigital number, since it uses as much as digits as its factorization.
85025443 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19200, while the sum is 31.
The square root of 85025443 is about 9220.9241944612. The cubic root of 85025443 is about 439.7268328540.
The spelling of 85025443 in words is "eighty-five million, twenty-five thousand, four hundred forty-three".
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