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27144371 = 28519521
BaseRepresentation
bin110011110001…
…1000010110011
31220002002002002
41213203002303
523422104441
62405444215
7446503052
oct147430263
956062062
1027144371
111435aa71
12911066b
135815277
143868399
1525b2b9b
hex19e30b3

27144371 has 4 divisors (see below), whose sum is σ = 27156744. Its totient is φ = 27132000.

The previous prime is 27144367. The next prime is 27144409. The reversal of 27144371 is 17344172.

It is a semiprime because it is the product of two primes, 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 27144371 - 22 = 27144367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27144361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (6789186).

Almost surely, 227144371 is an apocalyptic number.

27144371 is a deficient number, since it is larger than the sum of its proper divisors (12373).

27144371 is an equidigital number, since it uses as much as digits as its factorization.

27144371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372.

The product of its digits is 4704, while the sum is 29.

The square root of 27144371 is about 5210.0260076126. The cubic root of 27144371 is about 300.5337571884.

The spelling of 27144371 in words is "twenty-seven million, one hundred forty-four thousand, three hundred seventy-one".

Divisors: 1 2851 9521 27144371