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802516685 = 5312167017
BaseRepresentation
bin101111110101010…
…110111011001101
32001221002001221012
4233311112323031
53120421013220
6211344415005
725613164535
oct5765267315
92057061835
10802516685
11381aaa733
121a4917465
13ca354559
14788224c5
154a6c2ac5
hex2fd56ecd

802516685 has 12 divisors (see below), whose sum is σ = 995093244. Its totient is φ = 621299520.

The previous prime is 802516679. The next prime is 802516691. The reversal of 802516685 is 586615208.

It is an interprime number because it is at equal distance from previous prime (802516679) and next prime (802516691).

It can be written as a sum of positive squares in 2 ways, for example, as 458859241 + 343657444 = 21421^2 + 18538^2 .

It is not a de Polignac number, because 802516685 - 226 = 735407821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78704 + ... + 88313.

It is an arithmetic number, because the mean of its divisors is an integer number (82924437).

Almost surely, 2802516685 is an apocalyptic number.

It is an amenable number.

802516685 is a deficient number, since it is larger than the sum of its proper divisors (192576559).

802516685 is a wasteful number, since it uses less digits than its factorization.

802516685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167084 (or 167053 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 802516685 is about 28328.7254390310. The cubic root of 802516685 is about 929.2901991396.

The spelling of 802516685 in words is "eight hundred two million, five hundred sixteen thousand, six hundred eighty-five".

Divisors: 1 5 31 155 961 4805 167017 835085 5177527 25887635 160503337 802516685