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27241 is a prime number
BaseRepresentation
bin110101001101001
31101100221
412221221
51332431
6330041
7142264
oct65151
941327
1027241
1119515
1213921
13c526
149cdb
158111
hex6a69

27241 has 2 divisors, whose sum is σ = 27242. Its totient is φ = 27240.

The previous prime is 27239. The next prime is 27253. The reversal of 27241 is 14272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27225 + 16 = 165^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 27241 - 21 = 27239 is a prime.

Together with 27239, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13620 + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (13621).

227241 is an apocalyptic number.

It is an amenable number.

27241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27241 is an equidigital number, since it uses as much as digits as its factorization.

27241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112, while the sum is 16.

The square root of 27241 is about 165.0484777270. The cubic root of 27241 is about 30.0889949946.

Subtracting from 27241 its sum of digits (16), we obtain a square (27225 = 1652).

It can be divided in two parts, 272 and 41, that added together give a palindrome (313).

The spelling of 27241 in words is "twenty-seven thousand, two hundred forty-one", and thus it is an iban number.