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27242 = 253257
BaseRepresentation
bin110101001101010
31101100222
412221222
51332432
6330042
7142265
oct65152
941328
1027242
1119516
1213922
13c527
149cdc
158112
hex6a6a

27242 has 8 divisors (see below), whose sum is σ = 41796. Its totient is φ = 13312.

The previous prime is 27241. The next prime is 27253. The reversal of 27242 is 24272.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 5041 = 149^2 + 71^2 .

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

27242 is an undulating number in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 27242.

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 3 ways as a sum of consecutive naturals, for example, 23 + ... + 234.

227242 is an apocalyptic number.

27242 is a deficient number, since it is larger than the sum of its proper divisors (14554).

27242 is a wasteful number, since it uses less digits than its factorization.

27242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 224, while the sum is 17.

The square root of 27242 is about 165.0515071122. The cubic root of 27242 is about 30.0893631728.

Subtracting from 27242 its sum of digits (17), we obtain a square (27225 = 1652).

The spelling of 27242 in words is "twenty-seven thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 53 106 257 514 13621 27242