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68122 = 234061
BaseRepresentation
bin10000101000011010
310110110001
4100220122
54134442
61243214
7402415
oct205032
9113401
1068122
11471aa
123350a
1325012
141ab7c
15152b7
hex10a1a

68122 has 4 divisors (see below), whose sum is σ = 102186. Its totient is φ = 34060.

The previous prime is 68113. The next prime is 68141. The reversal of 68122 is 22186.

It is a happy number.

It is a Cunningham number, because it is equal to 2612+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22186 = 211093.

It can be written as a sum of positive squares in only one way, i.e., 68121 + 1 = 261^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17029 + ... + 17032.

268122 is an apocalyptic number.

68122 is a deficient number, since it is larger than the sum of its proper divisors (34064).

68122 is a wasteful number, since it uses less digits than its factorization.

68122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34063.

The product of its digits is 192, while the sum is 19.

The square root of 68122 is about 261.0019157018. The cubic root of 68122 is about 40.8409463338.

It can be divided in two parts, 681 and 22, that added together give a triangular number (703 = T37).

The spelling of 68122 in words is "sixty-eight thousand, one hundred twenty-two".

Divisors: 1 2 34061 68122