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68368 = 244273
BaseRepresentation
bin10000101100010000
310110210011
4100230100
54141433
61244304
7403216
oct205420
9113704
1068368
1147403
1233694
1325171
141acb6
15153cd
hex10b10

68368 has 10 divisors (see below), whose sum is σ = 132494. Its totient is φ = 34176.

The previous prime is 68351. The next prime is 68371. The reversal of 68368 is 86386.

It can be written as a sum of positive squares in only one way, i.e., 51984 + 16384 = 228^2 + 128^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121 + ... + 2152.

268368 is an apocalyptic number.

It is an amenable number.

68368 is a deficient number, since it is larger than the sum of its proper divisors (64126).

68368 is a wasteful number, since it uses less digits than its factorization.

68368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281 (or 4275 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 68368 is about 261.4727519265. The cubic root of 68368 is about 40.8900484513.

The spelling of 68368 in words is "sixty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 4273 8546 17092 34184 68368