Base | Representation |
---|---|
bin | 100000001100010… |
… | …110111111100101 |
3 | 1101122022110202111 |
4 | 200030112333211 |
5 | 2101232021241 |
6 | 125332241021 |
7 | 16245603055 |
oct | 4014267745 |
9 | 1348273674 |
10 | 540110821 |
11 | 257973288 |
12 | 130a70171 |
13 | 87b8a203 |
14 | 51a37565 |
15 | 3263cc81 |
hex | 20316fe5 |
540110821 has 2 divisors, whose sum is σ = 540110822. Its totient is φ = 540110820.
The previous prime is 540110783. The next prime is 540110849. The reversal of 540110821 is 128011045.
540110821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 538889796 + 1221025 = 23214^2 + 1105^2 .
It is a cyclic number.
It is not a de Polignac number, because 540110821 - 211 = 540108773 is a prime.
It is a super-2 number, since 2×5401108212 = 583439397922588082, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 540110792 and 540110801.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (540110521) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270055410 + 270055411.
It is an arithmetic number, because the mean of its divisors is an integer number (270055411).
Almost surely, 2540110821 is an apocalyptic number.
It is an amenable number.
540110821 is a deficient number, since it is larger than the sum of its proper divisors (1).
540110821 is an equidigital number, since it uses as much as digits as its factorization.
540110821 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 320, while the sum is 22.
The square root of 540110821 is about 23240.2844431818. The cubic root of 540110821 is about 814.3809875523.
Adding to 540110821 its reverse (128011045), we get a palindrome (668121866).
The spelling of 540110821 in words is "five hundred forty million, one hundred ten thousand, eight hundred twenty-one".
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