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26699 is a prime number
BaseRepresentation
bin110100001001011
31100121212
412201023
51323244
6323335
7140561
oct64113
940555
1026699
1119072
121354b
13c1ca
149a31
157d9e
hex684b

26699 has 2 divisors, whose sum is σ = 26700. Its totient is φ = 26698.

The previous prime is 26693. The next prime is 26701. The reversal of 26699 is 99662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26699 - 24 = 26683 is a prime.

Together with 26701, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (26693) 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 as a sum of consecutive naturals, namely, 13349 + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (13350).

226699 is an apocalyptic number.

26699 is a deficient number, since it is larger than the sum of its proper divisors (1).

26699 is an equidigital number, since it uses as much as digits as its factorization.

26699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 26699 is about 163.3982864047. The cubic root of 26699 is about 29.8881016629. Note that the first 3 decimals are identical.

The spelling of 26699 in words is "twenty-six thousand, six hundred ninety-nine".