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27135085 = 55427017
BaseRepresentation
bin110011110000…
…0110001101101
31220001121100011
41213200301231
523421310320
62405333221
7446434015
oct147406155
956047304
1027135085
1114353a9a
129107211
135810c83
143864c45
1525b005a
hex19e0c6d

27135085 has 4 divisors (see below), whose sum is σ = 32562108. Its totient is φ = 21708064.

The previous prime is 27135083. The next prime is 27135109. The reversal of 27135085 is 58053172.

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 12489156 + 14645929 = 3534^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 27135085 - 21 = 27135083 is a prime.

It is a super-3 number, since 3×271350853 (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27135083) 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, 2713504 + ... + 2713513.

It is an arithmetic number, because the mean of its divisors is an integer number (8140527).

Almost surely, 227135085 is an apocalyptic number.

It is an amenable number.

27135085 is a deficient number, since it is larger than the sum of its proper divisors (5427023).

27135085 is an equidigital number, since it uses as much as digits as its factorization.

27135085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427022.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 27135085 is about 5209.1347650066. The cubic root of 27135085 is about 300.4994827433.

The spelling of 27135085 in words is "twenty-seven million, one hundred thirty-five thousand, eighty-five".

Divisors: 1 5 5427017 27135085