Search a number
-
+
27081055 = 55416211
BaseRepresentation
bin110011101001…
…1100101011111
31212221212020001
41213103211133
523413043210
62404235131
7446120341
oct147234537
955855201
1027081055
1114317441
12909baa7
1357c24c1
14384d291
15259e03a
hex19d395f

27081055 has 4 divisors (see below), whose sum is σ = 32497272. Its totient is φ = 21664840.

The previous prime is 27081053. The next prime is 27081107. The reversal of 27081055 is 55018072.

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

It is not a de Polignac number, because 27081055 - 21 = 27081053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27081053) 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, 2708101 + ... + 2708110.

It is an arithmetic number, because the mean of its divisors is an integer number (8124318).

Almost surely, 227081055 is an apocalyptic number.

27081055 is a deficient number, since it is larger than the sum of its proper divisors (5416217).

27081055 is an equidigital number, since it uses as much as digits as its factorization.

27081055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416216.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 27081055 is about 5203.9460988754. The cubic root of 27081055 is about 300.2999037962.

The spelling of 27081055 in words is "twenty-seven million, eighty-one thousand, fifty-five".

Divisors: 1 5 5416211 27081055