Base | Representation |
---|---|
bin | 10111111100000… |
… | …00101110010111 |
3 | 111222211222001021 |
4 | 23332000232113 |
5 | 402401232041 |
6 | 31531542011 |
7 | 4655550052 |
oct | 1376005627 |
9 | 458758037 |
10 | 200805271 |
11 | a3392a77 |
12 | 572ba907 |
13 | 327a99b4 |
14 | 1c951a99 |
15 | 12967cd1 |
hex | bf80b97 |
200805271 has 12 divisors (see below), whose sum is σ = 205914744. Its totient is φ = 195800000.
The previous prime is 200805263. The next prime is 200805277. The reversal of 200805271 is 172508002.
It is not a de Polignac number, because 200805271 - 23 = 200805263 is a prime.
It is a super-2 number, since 2×2008052712 = 80645513722766882, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200805277) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799896 + ... + 800146.
It is an arithmetic number, because the mean of its divisors is an integer number (17159562).
Almost surely, 2200805271 is an apocalyptic number.
200805271 is a deficient number, since it is larger than the sum of its proper divisors (5109473).
200805271 is an equidigital number, since it uses as much as digits as its factorization.
200805271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530 (or 441 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 200805271 is about 14170.5776523048. The cubic root of 200805271 is about 585.5873721594.
The spelling of 200805271 in words is "two hundred million, eight hundred five thousand, two hundred seventy-one".
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