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6739 = 23293
BaseRepresentation
bin1101001010011
3100020121
41221103
5203424
651111
725435
oct15123
910217
106739
115077
123a97
1330b5
142655
151ee4
hex1a53

6739 has 4 divisors (see below), whose sum is σ = 7056. Its totient is φ = 6424.

The previous prime is 6737. The next prime is 6761. The reversal of 6739 is 9376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6739 - 21 = 6737 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (6733) 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, 124 + ... + 169.

It is an arithmetic number, because the mean of its divisors is an integer number (1764).

6739 is a deficient number, since it is larger than the sum of its proper divisors (317).

6739 is a wasteful number, since it uses less digits than its factorization.

6739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its digits is 1134, while the sum is 25.

The square root of 6739 is about 82.0914124620. The cubic root of 6739 is about 18.8885441434. Note that the first 3 decimals are identical.

The spelling of 6739 in words is "six thousand, seven hundred thirty-nine".

Divisors: 1 23 293 6739