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82285160 = 2353166359
BaseRepresentation
bin1001110011110…
…01001001101000
312201211112000112
410321321021220
5132031111120
612055353452
72016261266
oct471711150
9181745015
1082285160
11424a2071
1223682888
1314080559
14acdd436
157355bc5
hex4e79268

82285160 has 32 divisors (see below), whose sum is σ = 191116800. Its totient is φ = 31851840.

The previous prime is 82285139. The next prime is 82285163. The reversal of 82285160 is 6158228.

It is not an unprimeable number, because it can be changed into a prime (82285163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31940 + ... + 34419.

It is an arithmetic number, because the mean of its divisors is an integer number (5972400).

Almost surely, 282285160 is an apocalyptic number.

It is an amenable number.

82285160 is an abundant number, since it is smaller than the sum of its proper divisors (108831640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82285160 is a wasteful number, since it uses less digits than its factorization.

82285160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66401 (or 66397 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82285160 is about 9071.1168000418. The cubic root of 82285160 is about 434.9511725703.

The spelling of 82285160 in words is "eighty-two million, two hundred eighty-five thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 66359 132718 265436 331795 530872 663590 1327180 2057129 2654360 4114258 8228516 10285645 16457032 20571290 41142580 82285160