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68410760 = 23511181859
BaseRepresentation
bin1000001001111…
…01110110001000
311202201121220212
410010331312020
5120003121020
610442140252
71460324165
oct404756610
9152647825
1068410760
1135686020
121aab1688
1311233352
14912b06c
156014cc5
hex413dd88

68410760 has 64 divisors (see below), whose sum is σ = 169041600. Its totient is φ = 24710400.

The previous prime is 68410759. The next prime is 68410781. The reversal of 68410760 is 6701486.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79211 + ... + 80069.

It is an arithmetic number, because the mean of its divisors is an integer number (2641275).

Almost surely, 268410760 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 68410760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84520800).

68410760 is an abundant number, since it is smaller than the sum of its proper divisors (100630840).

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

68410760 is a wasteful number, since it uses less digits than its factorization.

68410760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68410760 is about 8271.0797360441. The cubic root of 68410760 is about 408.9857141568.

The spelling of 68410760 in words is "sixty-eight million, four hundred ten thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 181 220 362 440 724 859 905 1448 1718 1810 1991 3436 3620 3982 4295 6872 7240 7964 8590 9449 9955 15928 17180 18898 19910 34360 37796 39820 47245 75592 79640 94490 155479 188980 310958 377960 621916 777395 1243832 1554790 1710269 3109580 3420538 6219160 6841076 8551345 13682152 17102690 34205380 68410760