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27019085 = 55403817
BaseRepresentation
bin110011100010…
…0011101001101
31212211201012212
41213010131031
523404102320
62403040205
7445441562
oct147043515
955751185
1027019085
1114284925
129070065
1357a0232
143834869
15258a9c5
hex19c474d

27019085 has 4 divisors (see below), whose sum is σ = 32422908. Its totient is φ = 21615264.

The previous prime is 27019067. The next prime is 27019087. The reversal of 27019085 is 58091072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 21548164 = 2339^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 27019085 - 26 = 27019021 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 (27019087) 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, 2701904 + ... + 2701913.

It is an arithmetic number, because the mean of its divisors is an integer number (8105727).

Almost surely, 227019085 is an apocalyptic number.

It is an amenable number.

27019085 is a deficient number, since it is larger than the sum of its proper divisors (5403823).

27019085 is an equidigital number, since it uses as much as digits as its factorization.

27019085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403822.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 27019085 is about 5197.9885532771. The cubic root of 27019085 is about 300.0706685371.

The spelling of 27019085 in words is "twenty-seven million, nineteen thousand, eighty-five".

Divisors: 1 5 5403817 27019085