Base | Representation |
---|---|
bin | 10100001010010110100001 |
3 | 100221112001011 |
4 | 110022112201 |
5 | 2323112111 |
6 | 305140521 |
7 | 62631661 |
oct | 24122641 |
9 | 10845034 |
10 | 5285281 |
11 | 2a8aa01 |
12 | 192a741 |
13 | 11308b1 |
14 | 9b81a1 |
15 | 6e6021 |
hex | 50a5a1 |
5285281 has 2 divisors, whose sum is σ = 5285282. Its totient is φ = 5285280.
The previous prime is 5285263. The next prime is 5285297. The reversal of 5285281 is 1825825.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4064256 + 1221025 = 2016^2 + 1105^2 .
It is a cyclic number.
It is not a de Polignac number, because 5285281 - 211 = 5283233 is a prime.
It is a super-2 number, since 2×52852812 = 55868390497922, which contains 22 as substring.
5285281 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (5285201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642640 + 2642641.
It is an arithmetic number, because the mean of its divisors is an integer number (2642641).
Almost surely, 25285281 is an apocalyptic number.
It is an amenable number.
5285281 is a deficient number, since it is larger than the sum of its proper divisors (1).
5285281 is an equidigital number, since it uses as much as digits as its factorization.
5285281 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6400, while the sum is 31.
The square root of 5285281 is about 2298.9739015483. The cubic root of 5285281 is about 174.1897893900.
It can be divided in two parts, 528528 and 1, that added together give a square (528529 = 7272).
The spelling of 5285281 in words is "five million, two hundred eighty-five thousand, two hundred eighty-one".
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