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82091046 = 2347291103
BaseRepresentation
bin1001110010010…
…01110000100110
312201110122202010
410321021300212
5132003403141
612051255050
72014522332
oct471116046
9181418663
1082091046
114237a244
12235aa486
13140130ab
14ac8c7c2
157318416
hex4e49c26

82091046 has 16 divisors (see below), whose sum is σ = 167675904. Its totient is φ = 26781384.

The previous prime is 82091017. The next prime is 82091047. The reversal of 82091046 is 64019028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82091047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145270 + ... + 145833.

It is an arithmetic number, because the mean of its divisors is an integer number (10479744).

Almost surely, 282091046 is an apocalyptic number.

82091046 is an abundant number, since it is smaller than the sum of its proper divisors (85584858).

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

82091046 is a wasteful number, since it uses less digits than its factorization.

82091046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291155.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 82091046 is about 9060.4109178337. The cubic root of 82091046 is about 434.6088808359.

The spelling of 82091046 in words is "eighty-two million, ninety-one thousand, forty-six".

Divisors: 1 2 3 6 47 94 141 282 291103 582206 873309 1746618 13681841 27363682 41045523 82091046