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27238 = 213619
BaseRepresentation
bin110101001100110
31101100211
412221212
51332423
6330034
7142261
oct65146
941324
1027238
1119512
121391a
13c523
149cd8
15810d
hex6a66

27238 has 4 divisors (see below), whose sum is σ = 40860. Its totient is φ = 13618.

The previous prime is 27211. The next prime is 27239. The reversal of 27238 is 83272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6808 + ... + 6811.

It is an arithmetic number, because the mean of its divisors is an integer number (10215).

227238 is an apocalyptic number.

27238 is a deficient number, since it is larger than the sum of its proper divisors (13622).

27238 is a wasteful number, since it uses less digits than its factorization.

27238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621.

The product of its digits is 672, while the sum is 22.

The square root of 27238 is about 165.0393892378. The cubic root of 27238 is about 30.0878904059.

The spelling of 27238 in words is "twenty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 13619 27238