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26893 is a prime number
BaseRepresentation
bin110100100001101
31100220001
412210031
51330033
6324301
7141256
oct64415
940801
1026893
1119229
1213691
13c319
149b2d
157e7d
hex690d

26893 has 2 divisors, whose sum is σ = 26894. Its totient is φ = 26892.

The previous prime is 26891. The next prime is 26903. The reversal of 26893 is 39862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26569 + 324 = 163^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 26893 - 21 = 26891 is a prime.

Together with 26891, it forms a pair of twin primes.

26893 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26891) 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, 13446 + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (13447).

226893 is an apocalyptic number.

It is an amenable number.

26893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26893 is an equidigital number, since it uses as much as digits as its factorization.

26893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 26893 is about 163.9908534035. The cubic root of 26893 is about 29.9603179046.

It can be divided in two parts, 268 and 93, that added together give a square (361 = 192).

The spelling of 26893 in words is "twenty-six thousand, eight hundred ninety-three".