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68708682 = 23372231129
BaseRepresentation
bin1000001100001…
…10100101001010
311210021202121000
410012012211022
5120042134212
610452355430
71463004600
oct406064512
9153252530
1068708682
1135869939
121b015b76
1311308b33
1491a7870
1560731dc
hex418694a

68708682 has 96 divisors (see below), whose sum is σ = 185500800. Its totient is φ = 18760896.

The previous prime is 68708663. The next prime is 68708683. The reversal of 68708682 is 28680786.

It is not an unprimeable number, because it can be changed into a prime (68708683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60294 + ... + 61422.

It is an arithmetic number, because the mean of its divisors is an integer number (1932300).

Almost surely, 268708682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68708682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92750400).

68708682 is an abundant number, since it is smaller than the sum of its proper divisors (116792118).

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

68708682 is a wasteful number, since it uses less digits than its factorization.

68708682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 68708682 is about 8289.0700322774. The cubic root of 68708682 is about 409.5785516634.

The spelling of 68708682 in words is "sixty-eight million, seven hundred eight thousand, six hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 49 54 63 69 98 126 138 147 161 189 207 294 322 378 414 441 483 621 882 966 1127 1129 1242 1323 1449 2254 2258 2646 2898 3381 3387 4347 6762 6774 7903 8694 10143 10161 15806 20286 20322 23709 25967 30429 30483 47418 51934 55321 60858 60966 71127 77901 110642 142254 155802 165963 181769 213381 233703 331926 363538 426762 467406 497889 545307 701109 995778 1090614 1272383 1402218 1493667 1635921 2544766 2987334 3271842 3817149 4907763 7634298 9815526 11451447 22902894 34354341 68708682