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68471168 = 27534931
BaseRepresentation
bin1000001010011…
…00100110000000
311202211200210012
410011030212000
5120012034133
610443324052
71460665253
oct405144600
9152750705
1068471168
1135717447
121ab20628
13112549ac
14914509a
156027b48
hex414c980

68471168 has 16 divisors (see below), whose sum is σ = 136407660. Its totient is φ = 34235520.

The previous prime is 68471167. The next prime is 68471173. The reversal of 68471168 is 86117486.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68471167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267338 + ... + 267593.

Almost surely, 268471168 is an apocalyptic number.

It is an amenable number.

68471168 is a deficient number, since it is larger than the sum of its proper divisors (67936492).

68471168 is an equidigital number, since it uses as much as digits as its factorization.

68471168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534945 (or 534933 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 68471168 is about 8274.7306904817. The cubic root of 68471168 is about 409.1060594584.

The spelling of 68471168 in words is "sixty-eight million, four hundred seventy-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 534931 1069862 2139724 4279448 8558896 17117792 34235584 68471168