Search a number
-
+
68056 = 2347181
BaseRepresentation
bin10000100111011000
310110100121
4100213120
54134211
61243024
7402262
oct204730
9113317
1068056
114714a
1233474
1324c91
141ab32
1515271
hex109d8

68056 has 16 divisors (see below), whose sum is σ = 131040. Its totient is φ = 33120.

The previous prime is 68053. The next prime is 68059. The reversal of 68056 is 65086.

Adding to 68056 its product of nonzero digits (1440), we get a palindrome (69496).

It is an interprime number because it is at equal distance from previous prime (68053) and next prime (68059).

It is a self number, because there is not a number n which added to its sum of digits gives 68056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68053) 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, 286 + ... + 466.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

268056 is an apocalyptic number.

It is an amenable number.

68056 is a deficient number, since it is larger than the sum of its proper divisors (62984).

68056 is a wasteful number, since it uses less digits than its factorization.

68056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 68056 is about 260.8754492090. The cubic root of 68056 is about 40.8277524882.

The spelling of 68056 in words is "sixty-eight thousand, fifty-six".

Divisors: 1 2 4 8 47 94 181 188 362 376 724 1448 8507 17014 34028 68056