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27135285 = 352378653
BaseRepresentation
bin110011110000…
…0110100110101
31220001121121120
41213200310311
523421312120
62405334153
7446434422
oct147406465
956047546
1027135285
1114354161
129107359
1358110a8
143864d49
1525b0140
hex19e0d35

27135285 has 16 divisors (see below), whose sum is σ = 45304704. Its totient is φ = 13842752.

The previous prime is 27135259. The next prime is 27135337. The reversal of 27135285 is 58253172.

It is a cyclic number.

It is not a de Polignac number, because 27135285 - 25 = 27135253 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38982 + ... + 39671.

It is an arithmetic number, because the mean of its divisors is an integer number (2831544).

Almost surely, 227135285 is an apocalyptic number.

It is an amenable number.

27135285 is a deficient number, since it is larger than the sum of its proper divisors (18169419).

27135285 is a wasteful number, since it uses less digits than its factorization.

27135285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78684.

The product of its digits is 16800, while the sum is 33.

The square root of 27135285 is about 5209.1539620172. The cubic root of 27135285 is about 300.5002210217.

The spelling of 27135285 in words is "twenty-seven million, one hundred thirty-five thousand, two hundred eighty-five".

Divisors: 1 3 5 15 23 69 115 345 78653 235959 393265 1179795 1809019 5427057 9045095 27135285