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717434680 = 235171955529
BaseRepresentation
bin101010110000110…
…010111100111000
31211222222110100211
4222300302330320
52432130402210
6155105040504
723531044204
oct5260627470
91758873324
10717434680
11338a78326
12180326134
13b5834c81
146b3d5b04
1542eb838a
hex2ac32f38

717434680 has 64 divisors (see below), whose sum is σ = 1799172000. Its totient is φ = 255873024.

The previous prime is 717434677. The next prime is 717434689. The reversal of 717434680 is 86434717.

717434680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717434689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14845 + ... + 40684.

Almost surely, 2717434680 is an apocalyptic number.

It is an amenable number.

717434680 is an abundant number, since it is smaller than the sum of its proper divisors (1081737320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

717434680 is a wasteful number, since it uses less digits than its factorization.

717434680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55576 (or 55572 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 717434680 is about 26784.9711592154. The cubic root of 717434680 is about 895.2152161818.

The spelling of 717434680 in words is "seven hundred seventeen million, four hundred thirty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 17 19 20 34 38 40 68 76 85 95 136 152 170 190 323 340 380 646 680 760 1292 1615 2584 3230 6460 12920 55529 111058 222116 277645 444232 555290 943993 1055051 1110580 1887986 2110102 2221160 3775972 4220204 4719965 5275255 7551944 8440408 9439930 10550510 17935867 18879860 21101020 35871734 37759720 42202040 71743468 89679335 143486936 179358670 358717340 717434680