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82785168 = 24325471051
BaseRepresentation
bin1001110111100…
…11001110010000
312202202220220100
410323303032100
5132143111133
612114212400
72023443114
oct473631620
9182686810
1082785168
11428037a4
1223884100
13141c700b
14adcd744
157403e13
hex4ef3390

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".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 547 1051 1094 1641 2102 2188 3153 3282 4204 4376 4923 6306 6564 8408 8752 9459 9846 12612 13128 16816 18918 19692 25224 26256 37836 39384 50448 75672 78768 151344 574897 1149794 1724691 2299588 3449382 4599176 5174073 6898764 9198352 10348146 13797528 20696292 27595056 41392584 82785168