Base | Representation |
---|---|
bin | 1010001110111… |
… | …10011110000101 |
3 | 12222112102102112 |
4 | 11013132132011 |
5 | 133434032033 |
6 | 12303550405 |
7 | 2061451400 |
oct | 507363605 |
9 | 188472375 |
10 | 85845893 |
11 | 44504321 |
12 | 248bb405 |
13 | 14a291b3 |
14 | b588d37 |
15 | 780ac48 |
hex | 51de785 |
85845893 has 12 divisors (see below), whose sum is σ = 100783980. Its totient is φ = 72902592.
The previous prime is 85845889. The next prime is 85845911. The reversal of 85845893 is 39854858.
It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 49098049 = 6062^2 + 7007^2 .
It is not a de Polignac number, because 85845893 - 22 = 85845889 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85845803) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2696 + ... + 13377.
It is an arithmetic number, because the mean of its divisors is an integer number (8398665).
Almost surely, 285845893 is an apocalyptic number.
It is an amenable number.
85845893 is a deficient number, since it is larger than the sum of its proper divisors (14938087).
85845893 is a wasteful number, since it uses less digits than its factorization.
85845893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16196 (or 16189 counting only the distinct ones).
The product of its digits is 1382400, while the sum is 50.
The square root of 85845893 is about 9265.3058773038. The cubic root of 85845893 is about 441.1366839271.
The spelling of 85845893 in words is "eighty-five million, eight hundred forty-five thousand, eight hundred ninety-three".
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