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524416680 = 23345179521
BaseRepresentation
bin11111010000011…
…111011010101000
31100112210010110000
4133100133122220
52033222313210
6124012023000
715665316414
oct3720373250
91315703400
10524416680
1124a024017
12127761a60
1384853938
144d90dd44
153108cac0
hex1f41f6a8

524416680 has 160 divisors (see below), whose sum is σ = 1866502440. Its totient is φ = 131604480.

The previous prime is 524416679. The next prime is 524416687. The reversal of 524416680 is 86614425.

It can be written as a sum of positive squares in 4 ways, for example, as 464230116 + 60186564 = 21546^2 + 7758^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (524416687) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50320 + ... + 59840.

Almost surely, 2524416680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524416680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933251220).

524416680 is an abundant number, since it is smaller than the sum of its proper divisors (1342085760).

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

524416680 is a wasteful number, since it uses less digits than its factorization.

524416680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561 (or 9548 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 524416680 is about 22900.1458510639. The cubic root of 524416680 is about 806.4154360353.

The spelling of 524416680 in words is "five hundred twenty-four million, four hundred sixteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 81 85 90 102 108 120 135 136 153 162 170 180 204 216 255 270 306 324 340 360 405 408 459 510 540 612 648 680 765 810 918 1020 1080 1224 1377 1530 1620 1836 2040 2295 2754 3060 3240 3672 4590 5508 6120 6885 9180 9521 11016 13770 18360 19042 27540 28563 38084 47605 55080 57126 76168 85689 95210 114252 142815 161857 171378 190420 228504 257067 285630 323714 342756 380840 428445 485571 514134 571260 647428 685512 771201 809285 856890 971142 1028268 1142520 1285335 1294856 1456713 1542402 1618570 1713780 1942284 2056536 2427855 2570670 2913426 3084804 3237140 3427560 3856005 3884568 4370139 4855710 5141340 5826852 6169608 6474280 7283565 7712010 8740278 9711420 10282680 11653704 13110417 14567130 15424020 17480556 19422840 21850695 26220834 29134260 30848040 34961112 43701390 52441668 58268520 65552085 87402780 104883336 131104170 174805560 262208340 524416680