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27439141 = 108725243
BaseRepresentation
bin110100010101…
…1000000100101
31220122001102111
41220223000211
524011023031
62420041021
7452141332
oct150530045
956561374
1027439141
1114541484
129233171
1358b94a2
143903989
1526201b1
hex1a2b025

27439141 has 4 divisors (see below), whose sum is σ = 27465472. Its totient is φ = 27412812.

The previous prime is 27439109. The next prime is 27439147. The reversal of 27439141 is 14193472.

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.

It is a cyclic number.

It is not a de Polignac number, because 27439141 - 25 = 27439109 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 (27439147) 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, 11535 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (6866368).

Almost surely, 227439141 is an apocalyptic number.

It is an amenable number.

27439141 is a deficient number, since it is larger than the sum of its proper divisors (26331).

27439141 is a wasteful number, since it uses less digits than its factorization.

27439141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26330.

The product of its digits is 6048, while the sum is 31.

The square root of 27439141 is about 5238.2383489108. The cubic root of 27439141 is about 301.6177091917.

The spelling of 27439141 in words is "twenty-seven million, four hundred thirty-nine thousand, one hundred forty-one".

Divisors: 1 1087 25243 27439141