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82004684 = 22191079009
BaseRepresentation
bin1001110001101…
…00101011001100
312201022021021112
410320310223030
5131443122214
612045351152
72014012466
oct470645314
9181267245
1082004684
1142320373
12235684b8
1313cb29a8
14ac69136
1572eca3e
hex4e34acc

82004684 has 12 divisors (see below), whose sum is σ = 151061400. Its totient is φ = 38844288.

The previous prime is 82004677. The next prime is 82004687. The reversal of 82004684 is 48640028.

It is a self number, because there is not a number n which added to its sum of digits gives 82004684.

It is not an unprimeable number, because it can be changed into a prime (82004687) 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 3 ways as a sum of consecutive naturals, for example, 539429 + ... + 539580.

It is an arithmetic number, because the mean of its divisors is an integer number (12588450).

Almost surely, 282004684 is an apocalyptic number.

It is an amenable number.

82004684 is a deficient number, since it is larger than the sum of its proper divisors (69056716).

82004684 is a wasteful number, since it uses less digits than its factorization.

82004684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079032 (or 1079030 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 82004684 is about 9055.6437650782. The cubic root of 82004684 is about 434.4564205947.

The spelling of 82004684 in words is "eighty-two million, four thousand, six hundred eighty-four".

Divisors: 1 2 4 19 38 76 1079009 2158018 4316036 20501171 41002342 82004684