Base | Representation |
---|---|
bin | 1000011011010001001001 |
3 | 11011012221221 |
4 | 20123101021 |
5 | 1031140331 |
6 | 115202041 |
7 | 24526525 |
oct | 10332111 |
9 | 4135857 |
10 | 2208841 |
11 | 1279598 |
12 | 8a6321 |
13 | 5c450b |
14 | 416d85 |
15 | 2d9711 |
hex | 21b449 |
2208841 has 4 divisors (see below), whose sum is σ = 2216212. Its totient is φ = 2201472.
The previous prime is 2208839. The next prime is 2208847. The reversal of 2208841 is 1488022.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 1042441 = 1080^2 + 1021^2 .
It is a cyclic number.
It is not a de Polignac number, because 2208841 - 21 = 2208839 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2208847) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3216 + ... + 3841.
It is an arithmetic number, because the mean of its divisors is an integer number (554053).
22208841 is an apocalyptic number.
It is an amenable number.
2208841 is a deficient number, since it is larger than the sum of its proper divisors (7371).
2208841 is an equidigital number, since it uses as much as digits as its factorization.
2208841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7370.
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 2208841 is about 1486.2170097264. The cubic root of 2208841 is about 130.2331319651.
The spelling of 2208841 in words is "two million, two hundred eight thousand, eight hundred forty-one".
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