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68117 = 737263
BaseRepresentation
bin10000101000010101
310110102212
4100220111
54134432
61243205
7402410
oct205025
9113385
1068117
11471a5
1233505
132500a
141ab77
15152b2
hex10a15

68117 has 8 divisors (see below), whose sum is σ = 80256. Its totient is φ = 56592.

The previous prime is 68113. The next prime is 68141. The reversal of 68117 is 71186.

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

It is a cyclic number.

It is not a de Polignac number, because 68117 - 22 = 68113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68092 and 68101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128 + ... + 390.

It is an arithmetic number, because the mean of its divisors is an integer number (10032).

268117 is an apocalyptic number.

It is an amenable number.

68117 is a deficient number, since it is larger than the sum of its proper divisors (12139).

68117 is a wasteful number, since it uses less digits than its factorization.

68117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 336, while the sum is 23.

The square root of 68117 is about 260.9923370523. The cubic root of 68117 is about 40.8399470985.

The spelling of 68117 in words is "sixty-eight thousand, one hundred seventeen".

Divisors: 1 7 37 259 263 1841 9731 68117