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82966791 = 373937423
BaseRepresentation
bin1001111000111…
…11100100000111
312210010011001010
410330133210013
5132214414131
612122133303
72025130455
oct474374407
9183104033
1082966791
11429181a6
1223951233
131425b89b
14b0399d5
15743cb46
hex4f1f907

82966791 has 8 divisors (see below), whose sum is σ = 110775040. Its totient is φ = 55234872.

The previous prime is 82966733. The next prime is 82966801. The reversal of 82966791 is 19766928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82966791 - 213 = 82958599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82966791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82966721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16495 + ... + 20928.

It is an arithmetic number, because the mean of its divisors is an integer number (13846880).

Almost surely, 282966791 is an apocalyptic number.

82966791 is a deficient number, since it is larger than the sum of its proper divisors (27808249).

82966791 is a wasteful number, since it uses less digits than its factorization.

82966791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38165.

The product of its digits is 326592, while the sum is 48.

The square root of 82966791 is about 9108.6108161453. The cubic root of 82966791 is about 436.1488826760.

The spelling of 82966791 in words is "eighty-two million, nine hundred sixty-six thousand, seven hundred ninety-one".

Divisors: 1 3 739 2217 37423 112269 27655597 82966791