Base | Representation |
---|---|
bin | 1001110111100… |
… | …11001110010000 |
3 | 12202202220220100 |
4 | 10323303032100 |
5 | 132143111133 |
6 | 12114212400 |
7 | 2023443114 |
oct | 473631620 |
9 | 182686810 |
10 | 82785168 |
11 | 428037a4 |
12 | 23884100 |
13 | 141c700b |
14 | adcd744 |
15 | 7403e13 |
hex | 4ef3390 |
82785168 has 60 divisors (see below), whose sum is σ = 232327888. Its totient is φ = 27518400.
The previous prime is 82785163. The next prime is 82785179. The reversal of 82785168 is 86158728.
It is not an unprimeable number, because it can be changed into a prime (82785161) 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, 78243 + ... + 79293.
Almost surely, 282785168 is an apocalyptic number.
It is an amenable number.
82785168 is an abundant number, since it is smaller than the sum of its proper divisors (149542720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82785168 is a wasteful number, since it uses less digits than its factorization.
82785168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1612 (or 1603 counting only the distinct ones).
The product of its digits is 215040, while the sum is 45.
The square root of 82785168 is about 9098.6355020959. The cubic root of 82785168 is about 435.8303916226.
The spelling of 82785168 in words is "eighty-two million, seven hundred eighty-five thousand, one hundred sixty-eight".
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