Base | Representation |
---|---|
bin | 11111010010000111101 |
3 | 1221002011010 |
4 | 3322100331 |
5 | 230300320 |
6 | 33545433 |
7 | 11466405 |
oct | 3722075 |
9 | 1832133 |
10 | 1025085 |
11 | 640186 |
12 | 415279 |
13 | 29b779 |
14 | 1c9805 |
15 | 153ae0 |
hex | fa43d |
1025085 has 16 divisors (see below), whose sum is σ = 1685376. Its totient is φ = 531648.
The previous prime is 1025081. The next prime is 1025093. The reversal of 1025085 is 5805201.
It is not a de Polignac number, because 1025085 - 22 = 1025081 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 1478.
It is an arithmetic number, because the mean of its divisors is an integer number (105336).
21025085 is an apocalyptic number.
1025085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1025085 is a deficient number, since it is larger than the sum of its proper divisors (660291).
1025085 is a wasteful number, since it uses less digits than its factorization.
1025085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 1025085 is about 1012.4648142034. The cubic root of 1025085 is about 100.8292707574.
The spelling of 1025085 in words is "one million, twenty-five thousand, eighty-five".
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