Base | Representation |
---|---|
bin | 1101101001101… |
… | …0001001110001 |
3 | 10222201211102112 |
4 | 3122122021301 |
5 | 104124121023 |
6 | 5403055105 |
7 | 1263440531 |
oct | 332321161 |
9 | 128654375 |
10 | 57254513 |
11 | 2a356188 |
12 | 17211495 |
13 | bb28414 |
14 | 78654c1 |
15 | 505e478 |
hex | 369a271 |
57254513 has 2 divisors, whose sum is σ = 57254514. Its totient is φ = 57254512.
The previous prime is 57254473. The next prime is 57254537. The reversal of 57254513 is 31545275.
57254513 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., 41628304 + 15626209 = 6452^2 + 3953^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57254513 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57254513.
It is not a weakly prime, because it can be changed into another prime (57254563) 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, 28627256 + 28627257.
It is an arithmetic number, because the mean of its divisors is an integer number (28627257).
Almost surely, 257254513 is an apocalyptic number.
It is an amenable number.
57254513 is a deficient number, since it is larger than the sum of its proper divisors (1).
57254513 is an equidigital number, since it uses as much as digits as its factorization.
57254513 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 21000, while the sum is 32.
The square root of 57254513 is about 7566.6711967681. The cubic root of 57254513 is about 385.4220659437.
Adding to 57254513 its reverse (31545275), we get a palindrome (88799788).
The spelling of 57254513 in words is "fifty-seven million, two hundred fifty-four thousand, five hundred thirteen".
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