Search a number
-
+
27107189 = 38517039
BaseRepresentation
bin110011101100…
…1111101110101
31220000012001222
41213121331311
523414412224
62405000125
7446256464
oct147317565
956005058
1027107189
111433503a
1290b3045
135801375
1438589db
1525a6b5e
hex19d9f75

27107189 has 4 divisors (see below), whose sum is σ = 27118080. Its totient is φ = 27096300.

The previous prime is 27107159. The next prime is 27107207. The reversal of 27107189 is 98170172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27107189 - 216 = 27041653 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 (27107159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (6779520).

Almost surely, 227107189 is an apocalyptic number.

It is an amenable number.

27107189 is a deficient number, since it is larger than the sum of its proper divisors (10891).

27107189 is an equidigital number, since it uses as much as digits as its factorization.

27107189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10890.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 27107189 is about 5206.4564724964. The cubic root of 27107189 is about 300.3964720984.

The spelling of 27107189 in words is "twenty-seven million, one hundred seven thousand, one hundred eighty-nine".

Divisors: 1 3851 7039 27107189