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568212840 = 233351340471
BaseRepresentation
bin100001110111100…
…011110101101000
31110121012012111000
4201313203311220
52130430302330
6132214435000
720036505126
oct4167436550
91417165430
10568212840
11271817798
1213a362a60
1390949320
1455670916
1534d3e560
hex21de3d68

568212840 has 128 divisors (see below), whose sum is σ = 2039788800. Its totient is φ = 139864320.

The previous prime is 568212839. The next prime is 568212851. The reversal of 568212840 is 48212865.

568212840 is a `hidden beast` number, since 568 + 2 + 12 + 84 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 568212795 and 568212804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6196 + ... + 34275.

It is an arithmetic number, because the mean of its divisors is an integer number (15935850).

Almost surely, 2568212840 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 568212840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019894400).

568212840 is an abundant number, since it is smaller than the sum of its proper divisors (1471575960).

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

568212840 is a wasteful number, since it uses less digits than its factorization.

568212840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40504 (or 40494 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 568212840 is about 23837.2154414059. The cubic root of 568212840 is about 828.2669796485.

The spelling of 568212840 in words is "five hundred sixty-eight million, two hundred twelve thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 180 195 216 234 260 270 312 351 360 390 468 520 540 585 702 780 936 1080 1170 1404 1560 1755 2340 2808 3510 4680 7020 14040 40471 80942 121413 161884 202355 242826 323768 364239 404710 485652 526123 607065 728478 809420 971304 1052246 1092717 1214130 1456956 1578369 1618840 1821195 2104492 2185434 2428260 2630615 2913912 3156738 3642390 4208984 4370868 4735107 4856520 5261230 5463585 6313476 7284780 7891845 8741736 9470214 10522460 10927170 12626952 14205321 14569560 15783690 18940428 21044920 21854340 23675535 28410642 31567380 37880856 43708680 47351070 56821284 63134760 71026605 94702140 113642568 142053210 189404280 284106420 568212840