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68371722 = 23317711049
BaseRepresentation
bin1000001001101…
…00010100001010
311202122122101000
410010310110022
5120000343342
610441235430
71460102316
oct404642412
9152578330
1068371722
1135659761
121aa92b76
131121b653
14911ab46
15600844c
hex413450a

68371722 has 64 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 21127680.

The previous prime is 68371717. The next prime is 68371741. The reversal of 68371722 is 22717386.

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, 64654 + ... + 65702.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 268371722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68371722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

68371722 is an abundant number, since it is smaller than the sum of its proper divisors (94924278).

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

68371722 is a wasteful number, since it uses less digits than its factorization.

68371722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1142 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 68371722 is about 8268.7194897396. The cubic root of 68371722 is about 408.9079046513.

The spelling of 68371722 in words is "sixty-eight million, three hundred seventy-one thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 71 102 142 153 213 306 426 459 639 918 1049 1207 1278 1917 2098 2414 3147 3621 3834 6294 7242 9441 10863 17833 18882 21726 28323 32589 35666 53499 56646 65178 74479 106998 148958 160497 223437 320994 446874 481491 670311 962982 1266143 1340622 2010933 2532286 3798429 4021866 7596858 11395287 22790574 34185861 68371722