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82876493 = 724573701
BaseRepresentation
bin1001111000010…
…01100001001101
312202221120011202
410330021201031
5132204021433
612120155245
72024303300
oct474114115
9182846152
1082876493
1142866377
1223908b25
131422975b
14b014b37
157420ee8
hex4f0984d

82876493 has 12 divisors (see below), whose sum is σ = 96644412. Its totient is φ = 70862400.

The previous prime is 82876489. The next prime is 82876531. The reversal of 82876493 is 39467828.

It can be written as a sum of positive squares in 2 ways, for example, as 54125449 + 28751044 = 7357^2 + 5362^2 .

It is not a de Polignac number, because 82876493 - 22 = 82876489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82873493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20543 + ... + 24243.

It is an arithmetic number, because the mean of its divisors is an integer number (8053701).

Almost surely, 282876493 is an apocalyptic number.

It is an amenable number.

82876493 is a deficient number, since it is larger than the sum of its proper divisors (13767919).

82876493 is a wasteful number, since it uses less digits than its factorization.

82876493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4165 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 82876493 is about 9103.6527284382. The cubic root of 82876493 is about 435.9905957767.

The spelling of 82876493 in words is "eighty-two million, eight hundred seventy-six thousand, four hundred ninety-three".

Divisors: 1 7 49 457 3199 3701 22393 25907 181349 1691357 11839499 82876493