Base | Representation |
---|---|
bin | 111111101000100000001 |
3 | 10220221020201 |
4 | 13331010001 |
5 | 1013210441 |
6 | 112405201 |
7 | 23503033 |
oct | 7750401 |
9 | 3827221 |
10 | 2085121 |
11 | 11a4645 |
12 | 846801 |
13 | 5800cc |
14 | 3c3c53 |
15 | 2b2c31 |
hex | 1fd101 |
2085121 has 2 divisors, whose sum is σ = 2085122. Its totient is φ = 2085120.
The previous prime is 2085089. The next prime is 2085131. The reversal of 2085121 is 1215802.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2070721 + 14400 = 1439^2 + 120^2 .
It is a cyclic number.
It is not a de Polignac number, because 2085121 - 25 = 2085089 is a prime.
It is not a weakly prime, because it can be changed into another prime (2085131) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042560 + 1042561.
It is an arithmetic number, because the mean of its divisors is an integer number (1042561).
22085121 is an apocalyptic number.
It is an amenable number.
2085121 is a deficient number, since it is larger than the sum of its proper divisors (1).
2085121 is an equidigital number, since it uses as much as digits as its factorization.
2085121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 2085121 is about 1443.9948060848. The cubic root of 2085121 is about 127.7547591105.
It can be divided in two parts, 208 and 5121, that added together give a square (5329 = 732).
The spelling of 2085121 in words is "two million, eighty-five thousand, one hundred twenty-one".
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