Base | Representation |
---|---|
bin | 110100110100… |
… | …1010000111101 |
3 | 1221010000012221 |
4 | 1221221100331 |
5 | 24042203031 |
6 | 2425325341 |
7 | 454252636 |
oct | 151512075 |
9 | 57100187 |
10 | 27694141 |
11 | 146a6022 |
12 | 9336851 |
13 | 5978587 |
14 | 396c88d |
15 | 2670a11 |
hex | 1a6943d |
27694141 has 2 divisors, whose sum is σ = 27694142. Its totient is φ = 27694140.
The previous prime is 27694127. The next prime is 27694151. The reversal of 27694141 is 14149672.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23242041 + 4452100 = 4821^2 + 2110^2 .
It is a cyclic number.
It is not a de Polignac number, because 27694141 - 25 = 27694109 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 27694097 and 27694106.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (27694151) 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 as a sum of consecutive naturals, namely, 13847070 + 13847071.
It is an arithmetic number, because the mean of its divisors is an integer number (13847071).
Almost surely, 227694141 is an apocalyptic number.
It is an amenable number.
27694141 is a deficient number, since it is larger than the sum of its proper divisors (1).
27694141 is an equidigital number, since it uses as much as digits as its factorization.
27694141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 12096, while the sum is 34.
The square root of 27694141 is about 5262.5223039907. The cubic root of 27694141 is about 302.5491703419.
The spelling of 27694141 in words is "twenty-seven million, six hundred ninety-four thousand, one hundred forty-one".
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