Base | Representation |
---|---|
bin | 1010001001110… |
… | …01001111010000 |
3 | 12221021001001021 |
4 | 11010321033100 |
5 | 133300402404 |
6 | 12241245224 |
7 | 2052632266 |
oct | 504711720 |
9 | 187231037 |
10 | 85169104 |
11 | 44091899 |
12 | 24633814 |
13 | 14850127 |
14 | b450436 |
15 | 7725454 |
hex | 51393d0 |
85169104 has 20 divisors (see below), whose sum is σ = 166719364. Its totient is φ = 42144768.
The previous prime is 85169083. The next prime is 85169107. The reversal of 85169104 is 40196158.
It can be written as a sum of positive squares in 2 ways, for example, as 68029504 + 17139600 = 8248^2 + 4140^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 85169104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85169107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25887 + ... + 28990.
Almost surely, 285169104 is an apocalyptic number.
It is an amenable number.
85169104 is a deficient number, since it is larger than the sum of its proper divisors (81550260).
85169104 is a wasteful number, since it uses less digits than its factorization.
85169104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54982 (or 54976 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 85169104 is about 9228.7108525514. The cubic root of 85169104 is about 439.9743511220.
The spelling of 85169104 in words is "eighty-five million, one hundred sixty-nine thousand, one hundred four".
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