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27439061 = 133168087
BaseRepresentation
bin110100010101…
…0111111010101
31220122001022112
41220222333111
524011022221
62420040405
7452141156
oct150527725
956561275
1027439061
1114541411
129233105
1358b9440
14390392d
15262015b
hex1a2afd5

27439061 has 8 divisors (see below), whose sum is σ = 30503424. Its totient is φ = 24510960.

The previous prime is 27439051. The next prime is 27439063. The reversal of 27439061 is 16093472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27439061 - 26 = 27438997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27439063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33641 + ... + 34446.

It is an arithmetic number, because the mean of its divisors is an integer number (3812928).

Almost surely, 227439061 is an apocalyptic number.

It is an amenable number.

27439061 is a deficient number, since it is larger than the sum of its proper divisors (3064363).

27439061 is a wasteful number, since it uses less digits than its factorization.

27439061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68131.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 27439061 is about 5238.2307127503. The cubic root of 27439061 is about 301.6174160649.

The spelling of 27439061 in words is "twenty-seven million, four hundred thirty-nine thousand, sixty-one".

Divisors: 1 13 31 403 68087 885131 2110697 27439061