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27249 = 331293
BaseRepresentation
bin110101001110001
31101101020
412221301
51332444
6330053
7142305
oct65161
941336
1027249
1119522
1213929
13c531
149d05
158119
hex6a71

27249 has 8 divisors (see below), whose sum is σ = 37632. Its totient is φ = 17520.

The previous prime is 27241. The next prime is 27253. The reversal of 27249 is 94272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27249 - 23 = 27241 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 239.

It is an arithmetic number, because the mean of its divisors is an integer number (4704).

227249 is an apocalyptic number.

It is an amenable number.

27249 is a deficient number, since it is larger than the sum of its proper divisors (10383).

27249 is a wasteful number, since it uses less digits than its factorization.

27249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 1008, while the sum is 24.

The square root of 27249 is about 165.0727112517. The cubic root of 27249 is about 30.0919401679.

Subtracting from 27249 its sum of digits (24), we obtain a square (27225 = 1652).

It can be divided in two parts, 27 and 249, that added together give a triangular number (276 = T23).

The spelling of 27249 in words is "twenty-seven thousand, two hundred forty-nine".

Divisors: 1 3 31 93 293 879 9083 27249