Base | Representation |
---|---|
bin | 10111111100110… |
… | …10010010110001 |
3 | 112000001021201011 |
4 | 23332122102301 |
5 | 402413110001 |
6 | 31534110521 |
7 | 4656464305 |
oct | 1376322261 |
9 | 460037634 |
10 | 200910001 |
11 | a3454726 |
12 | 5734b441 |
13 | 32815576 |
14 | 1c97bd05 |
15 | 12988d51 |
hex | bf9a4b1 |
200910001 has 2 divisors, whose sum is σ = 200910002. Its totient is φ = 200910000.
The previous prime is 200909987. The next prime is 200910011. The reversal of 200910001 is 100019002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 190412401 + 10497600 = 13799^2 + 3240^2 .
It is a cyclic number.
It is not a de Polignac number, because 200910001 - 215 = 200877233 is a prime.
It is not a weakly prime, because it can be changed into another prime (200910011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100455000 + 100455001.
It is an arithmetic number, because the mean of its divisors is an integer number (100455001).
Almost surely, 2200910001 is an apocalyptic number.
It is an amenable number.
200910001 is a deficient number, since it is larger than the sum of its proper divisors (1).
200910001 is an equidigital number, since it uses as much as digits as its factorization.
200910001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 200910001 is about 14174.2725033774. The cubic root of 200910001 is about 585.6891588411.
Adding to 200910001 its reverse (100019002), we get a palindrome (300929003).
The spelling of 200910001 in words is "two hundred million, nine hundred ten thousand, one".
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