Base | Representation |
---|---|
bin | 1100101100100… |
… | …0110011110001 |
3 | 10201012110001212 |
4 | 3023020303301 |
5 | 102113020223 |
6 | 5141205505 |
7 | 1214425433 |
oct | 313106361 |
9 | 121173055 |
10 | 53251313 |
11 | 28071555 |
12 | 15a00895 |
13 | b05626b |
14 | 7102653 |
15 | 4a1d278 |
hex | 32c8cf1 |
53251313 has 2 divisors, whose sum is σ = 53251314. Its totient is φ = 53251312.
The previous prime is 53251307. The next prime is 53251321. The reversal of 53251313 is 31315235.
53251313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 40233649 + 13017664 = 6343^2 + 3608^2 .
It is a cyclic number.
It is not a de Polignac number, because 53251313 - 218 = 52989169 is a prime.
It is not a weakly prime, because it can be changed into another prime (53251013) 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, 26625656 + 26625657.
It is an arithmetic number, because the mean of its divisors is an integer number (26625657).
Almost surely, 253251313 is an apocalyptic number.
It is an amenable number.
53251313 is a deficient number, since it is larger than the sum of its proper divisors (1).
53251313 is an equidigital number, since it uses as much as digits as its factorization.
53251313 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1350, while the sum is 23.
The square root of 53251313 is about 7297.3497243862. The cubic root of 53251313 is about 376.2213523293.
Adding to 53251313 its reverse (31315235), we get a palindrome (84566548).
The spelling of 53251313 in words is "fifty-three million, two hundred fifty-one thousand, three hundred thirteen".
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