Search a number
BaseRepresentation
bin10000110001100100
310111020202
4100301210
54144313
61250032
7404213
oct206144
9114222
1068708
1147692
1233918
1325373
141b07a
1515558
hex10c64

68708 has 12 divisors (see below), whose sum is σ = 122220. Its totient is φ = 33792.

The previous prime is 68699. The next prime is 68711. The reversal of 68708 is 80786.

It can be written as a sum of positive squares in 2 ways, for example, as 14884 + 53824 = 122^2 + 232^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260 + ... + 452.

It is an arithmetic number, because the mean of its divisors is an integer number (10185).

268708 is an apocalyptic number.

It is an amenable number.

68708 is a deficient number, since it is larger than the sum of its proper divisors (53512).

68708 is a wasteful number, since it uses less digits than its factorization.

68708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 68708 is about 262.1221089492. The cubic root of 68708 is about 40.9577196505.

The spelling of 68708 in words is "sixty-eight thousand, seven hundred eight".

Divisors: 1 2 4 89 178 193 356 386 772 17177 34354 68708