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68316626 = 277168729
BaseRepresentation
bin1000001001001…
…10110111010010
311202112211210102
410010212313102
5114442113001
610440132402
71456452560
oct404466722
9152484712
1068316626
1135621324
121aa67102
13111cc551
149104a30
155ee6e6b
hex4126dd2

68316626 has 16 divisors (see below), whose sum is σ = 118765440. Its totient is φ = 28865760.

The previous prime is 68316587. The next prime is 68316641. The reversal of 68316626 is 62661386.

It is a super-2 number, since 2×683166262 = 9334322776047752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68316626.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33371 + ... + 35358.

It is an arithmetic number, because the mean of its divisors is an integer number (7422840).

Almost surely, 268316626 is an apocalyptic number.

68316626 is a deficient number, since it is larger than the sum of its proper divisors (50448814).

68316626 is a wasteful number, since it uses less digits than its factorization.

68316626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68809.

The product of its digits is 62208, while the sum is 38.

The square root of 68316626 is about 8265.3872262587. The cubic root of 68316626 is about 408.7980383521.

The spelling of 68316626 in words is "sixty-eight million, three hundred sixteen thousand, six hundred twenty-six".

Divisors: 1 2 7 14 71 142 497 994 68729 137458 481103 962206 4879759 9759518 34158313 68316626