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68188 = 2217047
BaseRepresentation
bin10000101001011100
310110112111
4100221130
54140223
61243404
7402541
oct205134
9113474
1068188
114725a
1233564
1325063
141abc8
151530d
hex10a5c

68188 has 6 divisors (see below), whose sum is σ = 119336. Its totient is φ = 34092.

The previous prime is 68171. The next prime is 68207. The reversal of 68188 is 88186.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8520 + ... + 8527.

268188 is an apocalyptic number.

It is an amenable number.

68188 is a deficient number, since it is larger than the sum of its proper divisors (51148).

68188 is a wasteful number, since it uses less digits than its factorization.

68188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051 (or 17049 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 68188 is about 261.1283209459. The cubic root of 68188 is about 40.8541316602.

It can be divided in two parts, 68 and 188, that added together give a 8-th power (256 = 28).

The spelling of 68188 in words is "sixty-eight thousand, one hundred eighty-eight".

Divisors: 1 2 4 17047 34094 68188