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82081118 = 2731189127
BaseRepresentation
bin1001110010001…
…11010101011110
312201110011010102
410321013111132
5132003043433
612051141102
72014451360
oct471072536
9181404112
1082081118
1142372839
12235a4792
131400b712
14ac88d30
1573154e8
hex4e4755e

82081118 has 16 divisors (see below), whose sum is σ = 145250304. Its totient is φ = 34042680.

The previous prime is 82081093. The next prime is 82081169. The reversal of 82081118 is 81118028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94130 + ... + 94997.

It is an arithmetic number, because the mean of its divisors is an integer number (9078144).

Almost surely, 282081118 is an apocalyptic number.

82081118 is a deficient number, since it is larger than the sum of its proper divisors (63169186).

82081118 is a wasteful number, since it uses less digits than its factorization.

82081118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189167.

The product of its (nonzero) digits is 1024, while the sum is 29.

The square root of 82081118 is about 9059.8630232471. The cubic root of 82081118 is about 434.5913597576.

The spelling of 82081118 in words is "eighty-two million, eighty-one thousand, one hundred eighteen".

Divisors: 1 2 7 14 31 62 217 434 189127 378254 1323889 2647778 5862937 11725874 41040559 82081118