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27955 = 55591
BaseRepresentation
bin110110100110011
31102100101
412310303
51343310
6333231
7144334
oct66463
942311
1027955
111a004
1214217
13c955
14a28b
15843a
hex6d33

27955 has 4 divisors (see below), whose sum is σ = 33552. Its totient is φ = 22360.

The previous prime is 27953. The next prime is 27961. The reversal of 27955 is 55972.

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

It is not a de Polignac number, because 27955 - 21 = 27953 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (27953) 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, 2791 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (8388).

227955 is an apocalyptic number.

27955 is a deficient number, since it is larger than the sum of its proper divisors (5597).

27955 is an equidigital number, since it uses as much as digits as its factorization.

27955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596.

The product of its digits is 3150, while the sum is 28.

The square root of 27955 is about 167.1974880194. The cubic root of 27955 is about 30.3496135553.

The spelling of 27955 in words is "twenty-seven thousand, nine hundred fifty-five".

Divisors: 1 5 5591 27955