Base | Representation |
---|---|
bin | 111101000100001011001 |
3 | 10202122211120 |
4 | 13220201121 |
5 | 1003012420 |
6 | 110515453 |
7 | 23002530 |
oct | 7504131 |
9 | 3678746 |
10 | 2000985 |
11 | 1147408 |
12 | 805b89 |
13 | 550a1c |
14 | 3a1317 |
15 | 297d40 |
hex | 1e8859 |
2000985 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 801792.
The previous prime is 2000969. The next prime is 2000989. The reversal of 2000985 is 5890002.
It is not a de Polignac number, because 2000985 - 24 = 2000969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2000989) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33886 + ... + 33944.
It is an arithmetic number, because the mean of its divisors is an integer number (64800).
22000985 is an apocalyptic number.
It is an amenable number.
2000985 is an abundant number, since it is smaller than the sum of its proper divisors (2146215).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2000985 is a wasteful number, since it uses less digits than its factorization.
2000985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 2000985 is about 1414.5617695951. The cubic root of 2000985 is about 126.0127852987.
Adding to 2000985 its reverse (5890002), we get a palindrome (7890987).
The spelling of 2000985 in words is "two million, nine hundred eighty-five", and thus it is an aban number.
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