Base | Representation |
---|---|
bin | 10100000110111011110001 |
3 | 100220210211122 |
4 | 110012323301 |
5 | 2322140111 |
6 | 304552025 |
7 | 62543111 |
oct | 24067361 |
9 | 10823748 |
10 | 5271281 |
11 | 2a80434 |
12 | 1922615 |
13 | 1127402 |
14 | 9b3041 |
15 | 6e1cdb |
hex | 506ef1 |
5271281 has 2 divisors, whose sum is σ = 5271282. Its totient is φ = 5271280.
The previous prime is 5271223. The next prime is 5271283. The reversal of 5271281 is 1821725.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3671056 + 1600225 = 1916^2 + 1265^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5271281 is a prime.
It is a super-2 number, since 2×52712812 = 55572806761922, which contains 22 as substring.
Together with 5271283, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 5271281.
It is not a weakly prime, because it can be changed into another prime (5271283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635640 + 2635641.
It is an arithmetic number, because the mean of its divisors is an integer number (2635641).
Almost surely, 25271281 is an apocalyptic number.
It is an amenable number.
5271281 is a deficient number, since it is larger than the sum of its proper divisors (1).
5271281 is an equidigital number, since it uses as much as digits as its factorization.
5271281 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1120, while the sum is 26.
The square root of 5271281 is about 2295.9270458793. The cubic root of 5271281 is about 174.0358515987.
The spelling of 5271281 in words is "five million, two hundred seventy-one thousand, two hundred eighty-one".
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