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68410914 = 231113711123
BaseRepresentation
bin1000001001111…
…01111000100010
311202201122010120
410010331320202
5120003122124
610442141110
71460324505
oct404757042
9152648116
1068410914
1135686150
121aab1796
1311233440
14912b13c
156014d79
hex413de22

68410914 has 64 divisors (see below), whose sum is σ = 163150848. Its totient is φ = 18849600.

The previous prime is 68410889. The next prime is 68410921. The reversal of 68410914 is 41901486.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 60357 + ... + 61479.

It is an arithmetic number, because the mean of its divisors is an integer number (2549232).

Almost surely, 268410914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68410914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81575424).

68410914 is an abundant number, since it is smaller than the sum of its proper divisors (94739934).

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

68410914 is a wasteful number, since it uses less digits than its factorization.

68410914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68410914 is about 8271.0890455852. The cubic root of 68410914 is about 408.9860210469.

The spelling of 68410914 in words is "sixty-eight million, four hundred ten thousand, nine hundred fourteen".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 71 78 142 143 213 286 426 429 781 858 923 1123 1562 1846 2246 2343 2769 3369 4686 5538 6738 10153 12353 14599 20306 24706 29198 30459 37059 43797 60918 74118 79733 87594 159466 160589 239199 321178 478398 481767 877063 963534 1036529 1754126 2073058 2631189 3109587 5262378 6219174 11401819 22803638 34205457 68410914