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82929861 = 3271316347
BaseRepresentation
bin1001111000101…
…10100011000101
312210001021101100
410330112203011
5132212223421
612121250313
72024615010
oct474264305
9183037340
1082929861
11428a2483
1223933999
1314247b31
14b02a377
157431c26
hex4f168c5

82929861 has 12 divisors (see below), whose sum is σ = 136900192. Its totient is φ = 47388456.

The previous prime is 82929811. The next prime is 82929871. The reversal of 82929861 is 16892928.

It is not a de Polignac number, because 82929861 - 26 = 82929797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82929811) 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 11 ways as a sum of consecutive naturals, for example, 658111 + ... + 658236.

Almost surely, 282929861 is an apocalyptic number.

It is an amenable number.

82929861 is a deficient number, since it is larger than the sum of its proper divisors (53970331).

82929861 is a wasteful number, since it uses less digits than its factorization.

82929861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316360 (or 1316357 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 82929861 is about 9106.5833878574. The cubic root of 82929861 is about 436.0841605204.

The spelling of 82929861 in words is "eighty-two million, nine hundred twenty-nine thousand, eight hundred sixty-one".

Divisors: 1 3 7 9 21 63 1316347 3949041 9214429 11847123 27643287 82929861