Base | Representation |
---|---|
bin | 1010001100100… |
… | …11100001001101 |
3 | 12221221211022011 |
4 | 11012103201031 |
5 | 133344221033 |
6 | 12253221221 |
7 | 2056032346 |
oct | 506234115 |
9 | 187854264 |
10 | 85538893 |
11 | 44314700 |
12 | 24791811 |
13 | 1494c53b |
14 | b5090cd |
15 | 7799ccd |
hex | 519384d |
85538893 has 24 divisors (see below), whose sum is σ = 102463200. Its totient is φ = 71074080.
The previous prime is 85538851. The next prime is 85538899. The reversal of 85538893 is 39883558.
It is not a de Polignac number, because 85538893 - 29 = 85538381 is a prime.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85538899) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66030 + ... + 67312.
It is an arithmetic number, because the mean of its divisors is an integer number (4269300).
Almost surely, 285538893 is an apocalyptic number.
It is an amenable number.
85538893 is a deficient number, since it is larger than the sum of its proper divisors (16924307).
85538893 is a wasteful number, since it uses less digits than its factorization.
85538893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1353 (or 1342 counting only the distinct ones).
The product of its digits is 1036800, while the sum is 49.
The square root of 85538893 is about 9248.7238579168. The cubic root of 85538893 is about 440.6101950528.
The spelling of 85538893 in words is "eighty-five million, five hundred thirty-eight thousand, eight hundred ninety-three".
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