Base | Representation |
---|---|
bin | 111111101000100001011 |
3 | 10220221021002 |
4 | 13331010023 |
5 | 1013211011 |
6 | 112405215 |
7 | 23503046 |
oct | 7750413 |
9 | 3827232 |
10 | 2085131 |
11 | 11a4654 |
12 | 84680b |
13 | 580109 |
14 | 3c3c5d |
15 | 2b2c3b |
hex | 1fd10b |
2085131 has 2 divisors, whose sum is σ = 2085132. Its totient is φ = 2085130.
The previous prime is 2085121. The next prime is 2085133. The reversal of 2085131 is 1315802.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2085131 - 210 = 2084107 is a prime.
It is a super-2 number, since 2×20851312 = 8695542574322, which contains 22 as substring.
Together with 2085133, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2085133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042565 + 1042566.
It is an arithmetic number, because the mean of its divisors is an integer number (1042566).
22085131 is an apocalyptic number.
2085131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2085131 is an equidigital number, since it uses as much as digits as its factorization.
2085131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 2085131 is about 1443.9982686970. The cubic root of 2085131 is about 127.7549633426.
The spelling of 2085131 in words is "two million, eighty-five thousand, one hundred thirty-one".
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