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27000027 = 331019901
BaseRepresentation
bin110011011111…
…1110011011011
31212210202002000
41212333303123
523403000102
62402412043
7445332165
oct146776333
955722060
1027000027
111427157a
129061023
135794662
14382b935
15258501c
hex19bfcdb

27000027 has 16 divisors (see below), whose sum is σ = 40400160. Its totient is φ = 17820000.

The previous prime is 27000023. The next prime is 27000041. The reversal of 27000027 is 72000072.

It is not a de Polignac number, because 27000027 - 22 = 27000023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26999973 and 27000009.

It is not an unprimeable number, because it can be changed into a prime (27000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (2525010).

Almost surely, 227000027 is an apocalyptic number.

27000027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27000027 is a deficient number, since it is larger than the sum of its proper divisors (13400133).

27000027 is a wasteful number, since it uses less digits than its factorization.

27000027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011 (or 10005 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 27000027 is about 5196.1550207822. The cubic root of 27000027 is about 300.0001000000. Note that the first 3 decimals are identical.

Adding to 27000027 its reverse (72000072), we get a palindrome (99000099).

It can be divided in two parts, 270000 and 27, that multiplied together give a square (7290000 = 27002).

The spelling of 27000027 in words is "twenty-seven million, twenty-seven", and thus it is an aban number and an uban number.

Divisors: 1 3 9 27 101 303 909 2727 9901 29703 89109 267327 1000001 3000003 9000009 27000027