Base | Representation |
---|---|
bin | 110100001010… |
… | …0001110110001 |
3 | 1220110022102221 |
4 | 1220110032301 |
5 | 24000031331 |
6 | 2414041041 |
7 | 451302325 |
oct | 150241661 |
9 | 56408387 |
10 | 27345841 |
11 | 14488376 |
12 | 91a9181 |
13 | 5885b93 |
14 | 38bb985 |
15 | 2602711 |
hex | 1a143b1 |
27345841 has 4 divisors (see below), whose sum is σ = 27357300. Its totient is φ = 27334384.
The previous prime is 27345833. The next prime is 27345847. The reversal of 27345841 is 14854372.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 11971600 + 15374241 = 3460^2 + 3921^2 .
It is a cyclic number.
It is not a de Polignac number, because 27345841 - 23 = 27345833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27345797 and 27345806.
It is not an unprimeable number, because it can be changed into a prime (27345847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646 + ... + 7423.
It is an arithmetic number, because the mean of its divisors is an integer number (6839325).
Almost surely, 227345841 is an apocalyptic number.
It is an amenable number.
27345841 is a deficient number, since it is larger than the sum of its proper divisors (11459).
27345841 is an equidigital number, since it uses as much as digits as its factorization.
27345841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11458.
The product of its digits is 26880, while the sum is 34.
The square root of 27345841 is about 5229.3250998575. The cubic root of 27345841 is about 301.2754622280.
The spelling of 27345841 in words is "twenty-seven million, three hundred forty-five thousand, eight hundred forty-one".
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