Base | Representation |
---|---|
bin | 10010010011111011011101 |
3 | 100000212122222 |
4 | 102103323131 |
5 | 2212101341 |
6 | 250515125 |
7 | 55541546 |
oct | 22237335 |
9 | 10025588 |
10 | 4800221 |
11 | 2789528 |
12 | 1735aa5 |
13 | cc0b8a |
14 | 8cd4cd |
15 | 64c44b |
hex | 493edd |
4800221 has 2 divisors, whose sum is σ = 4800222. Its totient is φ = 4800220.
The previous prime is 4800209. The next prime is 4800241. The reversal of 4800221 is 1220084.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3556996 + 1243225 = 1886^2 + 1115^2 .
It is a cyclic number.
It is not a de Polignac number, because 4800221 - 214 = 4783837 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 4800221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4800241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2400110 + 2400111.
It is an arithmetic number, because the mean of its divisors is an integer number (2400111).
Almost surely, 24800221 is an apocalyptic number.
It is an amenable number.
4800221 is a deficient number, since it is larger than the sum of its proper divisors (1).
4800221 is an equidigital number, since it uses as much as digits as its factorization.
4800221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 4800221 is about 2190.9406655590. The cubic root of 4800221 is about 168.6891218903.
The spelling of 4800221 in words is "four million, eight hundred thousand, two hundred twenty-one".
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