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68726 = 274909
BaseRepresentation
bin10000110001110110
310111021102
4100301312
54144401
61250102
7404240
oct206166
9114242
1068726
11476a9
1233932
1325388
141b090
151556b
hex10c76

68726 has 8 divisors (see below), whose sum is σ = 117840. Its totient is φ = 29448.

The previous prime is 68713. The next prime is 68729. The reversal of 68726 is 62786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68729) by changing a digit.

68726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (14730).

268726 is an apocalyptic number.

68726 is a deficient number, since it is larger than the sum of its proper divisors (49114).

68726 is a wasteful number, since it uses less digits than its factorization.

68726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918.

The product of its digits is 4032, while the sum is 29.

The square root of 68726 is about 262.1564418434. The cubic root of 68726 is about 40.9612960151.

The spelling of 68726 in words is "sixty-eight thousand, seven hundred twenty-six".

Divisors: 1 2 7 14 4909 9818 34363 68726