Base | Representation |
---|---|
bin | 1101101100010… |
… | …1000101011001 |
3 | 11000001202122102 |
4 | 3123011011121 |
5 | 104200232421 |
6 | 5410533145 |
7 | 1265102312 |
oct | 333050531 |
9 | 130052572 |
10 | 57430361 |
11 | 2a46630a |
12 | 172971b5 |
13 | bb8a481 |
14 | 78ad609 |
15 | 509660b |
hex | 36c5159 |
57430361 has 2 divisors, whose sum is σ = 57430362. Its totient is φ = 57430360.
The previous prime is 57430357. The next prime is 57430363. The reversal of 57430361 is 16303475.
57430361 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., 48219136 + 9211225 = 6944^2 + 3035^2 .
It is a cyclic number.
It is not a de Polignac number, because 57430361 - 22 = 57430357 is a prime.
Together with 57430363, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (57430363) 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, 28715180 + 28715181.
It is an arithmetic number, because the mean of its divisors is an integer number (28715181).
Almost surely, 257430361 is an apocalyptic number.
It is an amenable number.
57430361 is a deficient number, since it is larger than the sum of its proper divisors (1).
57430361 is an equidigital number, since it uses as much as digits as its factorization.
57430361 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 57430361 is about 7578.2821932150. The cubic root of 57430361 is about 385.8162498935.
The spelling of 57430361 in words is "fifty-seven million, four hundred thirty thousand, three hundred sixty-one".
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