Base | Representation |
---|---|
bin | 1100100101101… |
… | …1111000010101 |
3 | 10200100210000222 |
4 | 3021123320111 |
5 | 102004231031 |
6 | 5123444125 |
7 | 1210556564 |
oct | 311337025 |
9 | 120323028 |
10 | 52805141 |
11 | 27897314 |
12 | 15826645 |
13 | ac2b15c |
14 | 7027bdb |
15 | 4980e7b |
hex | 325be15 |
52805141 has 2 divisors, whose sum is σ = 52805142. Its totient is φ = 52805140.
The previous prime is 52805131. The next prime is 52805147. The reversal of 52805141 is 14150825.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 48246916 + 4558225 = 6946^2 + 2135^2 .
It is a cyclic number.
It is not a de Polignac number, because 52805141 - 210 = 52804117 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 52805141.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52805147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402570 + 26402571.
It is an arithmetic number, because the mean of its divisors is an integer number (26402571).
Almost surely, 252805141 is an apocalyptic number.
It is an amenable number.
52805141 is a deficient number, since it is larger than the sum of its proper divisors (1).
52805141 is an equidigital number, since it uses as much as digits as its factorization.
52805141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 52805141 is about 7266.7145946432. The cubic root of 52805141 is about 375.1676666528.
Adding to 52805141 its reverse (14150825), we get a palindrome (66955966).
The spelling of 52805141 in words is "fifty-two million, eight hundred five thousand, one hundred forty-one".
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