Base | Representation |
---|---|
bin | 111101000100000010101 |
3 | 10202122202001 |
4 | 13220200111 |
5 | 1003012132 |
6 | 110515301 |
7 | 23002402 |
oct | 7504025 |
9 | 3678661 |
10 | 2000917 |
11 | 1147356 |
12 | 805b31 |
13 | 550999 |
14 | 3a12a9 |
15 | 297ce7 |
hex | 1e8815 |
2000917 has 4 divisors (see below), whose sum is σ = 2118636. Its totient is φ = 1883200.
The previous prime is 2000903. The next prime is 2000927. The reversal of 2000917 is 7190002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7190002 = 2 ⋅3595001.
It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 398161 = 1266^2 + 631^2 .
It is a cyclic number.
It is not a de Polignac number, because 2000917 - 215 = 1968149 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2000894 and 2000903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2000927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58834 + ... + 58867.
It is an arithmetic number, because the mean of its divisors is an integer number (529659).
22000917 is an apocalyptic number.
It is an amenable number.
2000917 is a deficient number, since it is larger than the sum of its proper divisors (117719).
2000917 is a wasteful number, since it uses less digits than its factorization.
2000917 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117718.
The product of its (nonzero) digits is 126, while the sum is 19.
The square root of 2000917 is about 1414.5377336784. The cubic root of 2000917 is about 126.0113578407.
Adding to 2000917 its reverse (7190002), we get a palindrome (9190919).
The spelling of 2000917 in words is "two million, nine hundred seventeen", and thus it is an aban number.
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