Base | Representation |
---|---|
bin | 110100000000… |
… | …1100000001011 |
3 | 1220022102012211 |
4 | 1220001200023 |
5 | 23440103011 |
6 | 2412245551 |
7 | 450532561 |
oct | 150014013 |
9 | 56272184 |
10 | 27269131 |
11 | 1443577a |
12 | 91708b7 |
13 | 5859ca6 |
14 | 389ba31 |
15 | 25d9b21 |
hex | 1a0180b |
27269131 has 2 divisors, whose sum is σ = 27269132. Its totient is φ = 27269130.
The previous prime is 27269113. The next prime is 27269171. The reversal of 27269131 is 13196272.
Together with previous prime (27269113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 27269131 - 211 = 27267083 is a prime.
It is a super-2 number, since 2×272691312 = 1487211010990322, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 27269093 and 27269102.
It is not a weakly prime, because it can be changed into another prime (27269101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13634565 + 13634566.
It is an arithmetic number, because the mean of its divisors is an integer number (13634566).
Almost surely, 227269131 is an apocalyptic number.
27269131 is a deficient number, since it is larger than the sum of its proper divisors (1).
27269131 is an equidigital number, since it uses as much as digits as its factorization.
27269131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4536, while the sum is 31.
The square root of 27269131 is about 5221.9853504199. The cubic root of 27269131 is about 300.9934877897.
The spelling of 27269131 in words is "twenty-seven million, two hundred sixty-nine thousand, one hundred thirty-one".
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