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712916685 = 325132395099
BaseRepresentation
bin101010011111100…
…011111011001101
31211200110220211200
4222133203323031
52430001313220
6154424140113
723444456205
oct5237437315
91750426750
10712916685
11336471948
1217a907639
13b49126c0
146a97b405
15428c4890
hex2a7e3ecd

712916685 has 48 divisors (see below), whose sum is σ = 1336608000. Its totient is φ = 349437312.

The previous prime is 712916623. The next prime is 712916693. The reversal of 712916685 is 586619217.

It is not a de Polignac number, because 712916685 - 27 = 712916557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 712916685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137266 + ... + 142364.

It is an arithmetic number, because the mean of its divisors is an integer number (27846000).

Almost surely, 2712916685 is an apocalyptic number.

It is an amenable number.

712916685 is a deficient number, since it is larger than the sum of its proper divisors (623691315).

712916685 is a wasteful number, since it uses less digits than its factorization.

712916685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362 (or 5359 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 712916685 is about 26700.4997144248. The cubic root of 712916685 is about 893.3320724562.

The spelling of 712916685 in words is "seven hundred twelve million, nine hundred sixteen thousand, six hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 239 585 717 1195 2151 3107 3585 5099 9321 10755 15297 15535 25495 27963 45891 46605 66287 76485 139815 198861 229455 331435 596583 994305 1218661 2982915 3655983 6093305 10967949 15842593 18279915 47527779 54839745 79212965 142583337 237638895 712916685