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68710 = 256871
BaseRepresentation
bin10000110001100110
310111020211
4100301212
54144320
61250034
7404215
oct206146
9114224
1068710
1147694
123391a
1325375
141b07c
151555a
hex10c66

68710 has 8 divisors (see below), whose sum is σ = 123696. Its totient is φ = 27480.

The previous prime is 68699. The next prime is 68711. The reversal of 68710 is 1786.

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

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 (68711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (15462).

268710 is an apocalyptic number.

68710 is a deficient number, since it is larger than the sum of its proper divisors (54986).

68710 is a wasteful number, since it uses less digits than its factorization.

68710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 68710 is about 262.1259239373. The cubic root of 68710 is about 40.9581170552.

The spelling of 68710 in words is "sixty-eight thousand, seven hundred ten".

Divisors: 1 2 5 10 6871 13742 34355 68710