Base | Representation |
---|---|
bin | 11110110110101010011101 |
3 | 120012220221202 |
4 | 132312222131 |
5 | 4032310341 |
6 | 445205245 |
7 | 125514551 |
oct | 36665235 |
9 | 16186852 |
10 | 8088221 |
11 | 4624889 |
12 | 2860825 |
13 | 18a263b |
14 | 1107861 |
15 | a9b79b |
hex | 7b6a9d |
8088221 has 2 divisors, whose sum is σ = 8088222. Its totient is φ = 8088220.
The previous prime is 8088217. The next prime is 8088247. The reversal of 8088221 is 1228808.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7425625 + 662596 = 2725^2 + 814^2 .
It is a cyclic number.
It is not a de Polignac number, because 8088221 - 22 = 8088217 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8088211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4044110 + 4044111.
It is an arithmetic number, because the mean of its divisors is an integer number (4044111).
Almost surely, 28088221 is an apocalyptic number.
It is an amenable number.
8088221 is a deficient number, since it is larger than the sum of its proper divisors (1).
8088221 is an equidigital number, since it uses as much as digits as its factorization.
8088221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 8088221 is about 2843.9797819253. The cubic root of 8088221 is about 200.7324890241.
The spelling of 8088221 in words is "eight million, eighty-eight thousand, two hundred twenty-one".
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