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82660996 = 22111878659
BaseRepresentation
bin1001110110101…
…00111010000100
312202112121120101
410323110322010
5132130122441
612111413444
72022415105
oct473247204
9182477511
1082660996
1142729480
1223824284
1314182642
14ad9a3ac
1573cc231
hex4ed4e84

82660996 has 12 divisors (see below), whose sum is σ = 157807440. Its totient is φ = 37573160.

The previous prime is 82660993. The next prime is 82661009. The reversal of 82660996 is 69906628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82660993) 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, 939286 + ... + 939373.

It is an arithmetic number, because the mean of its divisors is an integer number (13150620).

Almost surely, 282660996 is an apocalyptic number.

It is an amenable number.

82660996 is a deficient number, since it is larger than the sum of its proper divisors (75146444).

82660996 is a wasteful number, since it uses less digits than its factorization.

82660996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878674 (or 1878672 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 82660996 is about 9091.8092808857. The cubic root of 82660996 is about 435.6123774823.

The spelling of 82660996 in words is "eighty-two million, six hundred sixty thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 1878659 3757318 7514636 20665249 41330498 82660996