Base | Representation |
---|---|
bin | 111111100000000100001 |
3 | 10220201022201 |
4 | 13330000201 |
5 | 1013041201 |
6 | 112333201 |
7 | 23454322 |
oct | 7740041 |
9 | 3821281 |
10 | 2080801 |
11 | 11a1378 |
12 | 844201 |
13 | 57b158 |
14 | 3c2449 |
15 | 2b1801 |
hex | 1fc021 |
2080801 has 2 divisors, whose sum is σ = 2080802. Its totient is φ = 2080800.
The previous prime is 2080777. The next prime is 2080807. The reversal of 2080801 is 1080802.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2030625 + 50176 = 1425^2 + 224^2 .
It is a cyclic number.
It is not a de Polignac number, because 2080801 - 29 = 2080289 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2080807) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040400 + 1040401.
It is an arithmetic number, because the mean of its divisors is an integer number (1040401).
22080801 is an apocalyptic number.
It is an amenable number.
2080801 is a deficient number, since it is larger than the sum of its proper divisors (1).
2080801 is an equidigital number, since it uses as much as digits as its factorization.
2080801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 19.
The square root of 2080801 is about 1442.4981802415. The cubic root of 2080801 is about 127.6664697267. Note that the first 3 decimals are identical.
Subtracting from 2080801 its reverse (1080802), we obtain a palindrome (999999).
The spelling of 2080801 in words is "two million, eighty thousand, eight hundred one".
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