Base | Representation |
---|---|
bin | 111101000100000100011 |
3 | 10202122202120 |
4 | 13220200203 |
5 | 1003012211 |
6 | 110515323 |
7 | 23002422 |
oct | 7504043 |
9 | 3678676 |
10 | 2000931 |
11 | 1147369 |
12 | 805b43 |
13 | 5509aa |
14 | 3a12b9 |
15 | 297d06 |
hex | 1e8823 |
2000931 has 16 divisors (see below), whose sum is σ = 2847744. Its totient is φ = 1246784.
The previous prime is 2000927. The next prime is 2000939. The reversal of 2000931 is 1390002.
It is not a de Polignac number, because 2000931 - 22 = 2000927 is a prime.
It is a super-2 number, since 2×20009312 = 8007449733522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2000931.
It is not an unprimeable number, because it can be changed into a prime (2000939) 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, 2935 + ... + 3551.
It is an arithmetic number, because the mean of its divisors is an integer number (177984).
22000931 is an apocalyptic number.
2000931 is a deficient number, since it is larger than the sum of its proper divisors (846813).
2000931 is a wasteful number, since it uses less digits than its factorization.
2000931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 690.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 2000931 is about 1414.5426822829. The cubic root of 2000931 is about 126.0116517318.
Adding to 2000931 its reverse (1390002), we get a palindrome (3390933).
The spelling of 2000931 in words is "two million, nine hundred thirty-one", and thus it is an aban number.
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