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82005292 = 22193134807
BaseRepresentation
bin1001110001101…
…00110100101100
312201022022010001
410320310310230
5131443132132
612045354044
72014014325
oct470646454
9181268101
1082005292
1142320876
1223568924
1313cb3055
14ac6944c
1572ecce7
hex4e34d2c

82005292 has 24 divisors (see below), whose sum is σ = 155939840. Its totient is φ = 37590480.

The previous prime is 82005269. The next prime is 82005299. The reversal of 82005292 is 29250028.

It is a self number, because there is not a number n which added to its sum of digits gives 82005292.

It is not an unprimeable number, because it can be changed into a prime (82005299) 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, 15048 + ... + 19759.

Almost surely, 282005292 is an apocalyptic number.

It is an amenable number.

82005292 is a deficient number, since it is larger than the sum of its proper divisors (73934548).

82005292 is a wasteful number, since it uses less digits than its factorization.

82005292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34861 (or 34859 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 82005292 is about 9055.6773352411. The cubic root of 82005292 is about 434.4574943092.

The spelling of 82005292 in words is "eighty-two million, five thousand, two hundred ninety-two".

Divisors: 1 2 4 19 31 38 62 76 124 589 1178 2356 34807 69614 139228 661333 1079017 1322666 2158034 2645332 4316068 20501323 41002646 82005292