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27307 = 74783
BaseRepresentation
bin110101010101011
31101110101
412222223
51333212
6330231
7142420
oct65253
941411
1027307
1119575
1213977
13c577
149d47
158157
hex6aab

27307 has 8 divisors (see below), whose sum is σ = 32256. Its totient is φ = 22632.

The previous prime is 27299. The next prime is 27329. The reversal of 27307 is 70372.

27307 is nontrivially palindromic in base 2.

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

It is a cyclic number.

It is not a de Polignac number, because 27307 - 23 = 27299 is a prime.

It is a plaindrome in base 4 and base 16.

It is not an unprimeable number, because it can be changed into a prime (27337) 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, 288 + ... + 370.

It is an arithmetic number, because the mean of its divisors is an integer number (4032).

227307 is an apocalyptic number.

27307 is the 83-rd decagonal number.

27307 is a deficient number, since it is larger than the sum of its proper divisors (4949).

27307 is an equidigital number, since it uses as much as digits as its factorization.

27307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 27307 is about 165.2482980245. The cubic root of 27307 is about 30.1132754544.

Adding to 27307 its reverse (70372), we get a palindrome (97679).

It can be divided in two parts, 2730 and 7, that multiplied together give a triangular number (19110 = T195).

The spelling of 27307 in words is "twenty-seven thousand, three hundred seven", and thus it is an iban number.

Divisors: 1 7 47 83 329 581 3901 27307