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27042179 = 85931481
BaseRepresentation
bin110011100101…
…0000110000011
31212212212220012
41213022012003
523410322204
62403335135
7445566113
oct147120603
955785805
1027042179
11142a020a
1290814ab
1357aa8b8
14383d043
15259276e
hex19ca183

27042179 has 4 divisors (see below), whose sum is σ = 27074520. Its totient is φ = 27009840.

The previous prime is 27042173. The next prime is 27042203. The reversal of 27042179 is 97124072.

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

It is a cyclic number.

It is not a de Polignac number, because 27042179 - 24 = 27042163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27042173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14882 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (6768630).

Almost surely, 227042179 is an apocalyptic number.

27042179 is a deficient number, since it is larger than the sum of its proper divisors (32341).

27042179 is an equidigital number, since it uses as much as digits as its factorization.

27042179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32340.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 27042179 is about 5200.2095150099. The cubic root of 27042179 is about 300.1561372416.

The spelling of 27042179 in words is "twenty-seven million, forty-two thousand, one hundred seventy-nine".

Divisors: 1 859 31481 27042179