Base | Representation |
---|---|
bin | 1010001010011… |
… | …01111001010000 |
3 | 12221102100002220 |
4 | 11011031321100 |
5 | 133311104322 |
6 | 12243141040 |
7 | 2053434045 |
oct | 505157120 |
9 | 187370086 |
10 | 85253712 |
11 | 4413a415 |
12 | 24674780 |
13 | 1487c7ab |
14 | b4731cc |
15 | 774055c |
hex | 514de50 |
85253712 has 20 divisors (see below), whose sum is σ = 220238880. Its totient is φ = 28417888.
The previous prime is 85253687. The next prime is 85253713. The reversal of 85253712 is 21735258.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85253713) 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, 888012 + ... + 888107.
It is an arithmetic number, because the mean of its divisors is an integer number (11011944).
Almost surely, 285253712 is an apocalyptic number.
It is an amenable number.
85253712 is an abundant number, since it is smaller than the sum of its proper divisors (134985168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85253712 is a wasteful number, since it uses less digits than its factorization.
85253712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1776130 (or 1776124 counting only the distinct ones).
The product of its digits is 16800, while the sum is 33.
The square root of 85253712 is about 9233.2936701916. The cubic root of 85253712 is about 440.1199948208.
The spelling of 85253712 in words is "eighty-five million, two hundred fifty-three thousand, seven hundred twelve".
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