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82868765 = 572367679
BaseRepresentation
bin1001111000001…
…11101000011101
312202221011120112
410330013220131
5132203300030
612120055405
72024241620
oct474075035
9182834515
1082868765
1142860591
1223904565
1314226095
14b011db7
15741da95
hex4f07a1d

82868765 has 8 divisors (see below), whose sum is σ = 113648640. Its totient is φ = 56824272.

The previous prime is 82868759. The next prime is 82868803. The reversal of 82868765 is 56786828.

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

It is a cyclic number.

It is not a de Polignac number, because 82868765 - 214 = 82852381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183805 + ... + 1183874.

It is an arithmetic number, because the mean of its divisors is an integer number (14206080).

Almost surely, 282868765 is an apocalyptic number.

It is an amenable number.

82868765 is a deficient number, since it is larger than the sum of its proper divisors (30779875).

82868765 is a wasteful number, since it uses less digits than its factorization.

82868765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367691.

The product of its digits is 1290240, while the sum is 50.

The square root of 82868765 is about 9103.2282735302. The cubic root of 82868765 is about 435.9770437230.

The spelling of 82868765 in words is "eighty-two million, eight hundred sixty-eight thousand, seven hundred sixty-five".

Divisors: 1 5 7 35 2367679 11838395 16573753 82868765