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26947 is a prime number
BaseRepresentation
bin110100101000011
31100222001
412211003
51330242
6324431
7141364
oct64503
940861
1026947
1119278
1213717
13c35b
149b6b
157eb7
hex6943

26947 has 2 divisors, whose sum is σ = 26948. Its totient is φ = 26946.

The previous prime is 26927. The next prime is 26951. The reversal of 26947 is 74962.

It is a strong prime.

26947 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26947 is a prime.

It is a super-2 number, since 2×269472 = 1452281618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26927) 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, 13473 + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (13474).

226947 is an apocalyptic number.

26947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26947 is an equidigital number, since it uses as much as digits as its factorization.

26947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 26947 is about 164.1554141660. The cubic root of 26947 is about 29.9803575123.

It can be divided in two parts, 2694 and 7, that added together give a triangular number (2701 = T73).

The spelling of 26947 in words is "twenty-six thousand, nine hundred forty-seven".