Base | Representation |
---|---|
bin | 11000101010001… |
… | …11111010101011 |
3 | 112102020210010020 |
4 | 30111013322223 |
5 | 410424122133 |
6 | 32305451523 |
7 | 5061213111 |
oct | 1425077253 |
9 | 472223106 |
10 | 206864043 |
11 | a6851021 |
12 | 59340ba3 |
13 | 33b1b679 |
14 | 1d68bab1 |
15 | 132630b3 |
hex | c547eab |
206864043 has 8 divisors (see below), whose sum is σ = 278662608. Its totient is φ = 136487424.
The previous prime is 206864033. The next prime is 206864081. The reversal of 206864043 is 340468602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 206864043 - 24 = 206864027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 206863995 and 206864013.
It is not an unprimeable number, because it can be changed into a prime (206864033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355146 + ... + 355727.
It is an arithmetic number, because the mean of its divisors is an integer number (34832826).
Almost surely, 2206864043 is an apocalyptic number.
206864043 is a deficient number, since it is larger than the sum of its proper divisors (71798565).
206864043 is an equidigital number, since it uses as much as digits as its factorization.
206864043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710973.
The product of its (nonzero) digits is 27648, while the sum is 33.
The square root of 206864043 is about 14382.7689615039. The cubic root of 206864043 is about 591.4186325649.
The spelling of 206864043 in words is "two hundred six million, eight hundred sixty-four thousand, forty-three".
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