Base | Representation |
---|---|
bin | 110011100011… |
… | …0001001010101 |
3 | 1212212001201011 |
4 | 1213012021111 |
5 | 23404313010 |
6 | 2403132221 |
7 | 445501006 |
oct | 147061125 |
9 | 55761634 |
10 | 27026005 |
11 | 1428a046 |
12 | 9074071 |
13 | 57a3426 |
14 | 38371ad |
15 | 258ca8a |
hex | 19c6255 |
27026005 has 16 divisors (see below), whose sum is σ = 34665840. Its totient is φ = 20155392.
The previous prime is 27025997. The next prime is 27026009. The reversal of 27026005 is 50062072.
It can be written as a sum of positive squares in 8 ways, for example, as 7436529 + 19589476 = 2727^2 + 4426^2 .
It is a 9-Lehmer number, since φ(27026005) divides (27026005-1)9.
It is a cyclic number.
It is not a de Polignac number, because 27026005 - 23 = 27025997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27026009) 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, 7807 + ... + 10723.
It is an arithmetic number, because the mean of its divisors is an integer number (2166615).
Almost surely, 227026005 is an apocalyptic number.
It is an amenable number.
27026005 is a deficient number, since it is larger than the sum of its proper divisors (7639835).
27026005 is a wasteful number, since it uses less digits than its factorization.
27026005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3048.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 27026005 is about 5198.6541527592. The cubic root of 27026005 is about 300.0962839095.
Adding to 27026005 its reverse (50062072), we get a palindrome (77088077).
The spelling of 27026005 in words is "twenty-seven million, twenty-six thousand, five".
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