Base | Representation |
---|---|
bin | 10000000010111011001001 |
3 | 21220200221012 |
4 | 100002323021 |
5 | 2034100111 |
6 | 230053305 |
7 | 50516132 |
oct | 20027311 |
9 | 7820835 |
10 | 4206281 |
11 | 2413272 |
12 | 14aa235 |
13 | b43731 |
14 | 7b6c89 |
15 | 58148b |
hex | 402ec9 |
4206281 has 2 divisors, whose sum is σ = 4206282. Its totient is φ = 4206280.
The previous prime is 4206233. The next prime is 4206283. The reversal of 4206281 is 1826024.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3367225 + 839056 = 1835^2 + 916^2 .
It is a cyclic number.
It is not a de Polignac number, because 4206281 - 214 = 4189897 is a prime.
It is a super-2 number, since 2×42062812 = 35385599701922, which contains 22 as substring.
Together with 4206283, 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 (4206283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103140 + 2103141.
It is an arithmetic number, because the mean of its divisors is an integer number (2103141).
Almost surely, 24206281 is an apocalyptic number.
It is an amenable number.
4206281 is a deficient number, since it is larger than the sum of its proper divisors (1).
4206281 is an equidigital number, since it uses as much as digits as its factorization.
4206281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 4206281 is about 2050.9219877899. The cubic root of 4206281 is about 161.4232526804.
The spelling of 4206281 in words is "four million, two hundred six thousand, two hundred eighty-one".
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