Base | Representation |
---|---|
bin | 11000101001000… |
… | …01001001011001 |
3 | 112101221201021200 |
4 | 30110201021121 |
5 | 410404031431 |
6 | 32302224413 |
7 | 5056652121 |
oct | 1424411131 |
9 | 471851250 |
10 | 206705241 |
11 | a6752786 |
12 | 59285109 |
13 | 33a942c2 |
14 | 1d649c81 |
15 | 13230ee6 |
hex | c521259 |
206705241 has 24 divisors (see below), whose sum is σ = 311241216. Its totient is φ = 132045120.
The previous prime is 206705221. The next prime is 206705281. The reversal of 206705241 is 142507602.
It is not a de Polignac number, because 206705241 - 214 = 206688857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (206705221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25141 + ... + 32333.
It is an arithmetic number, because the mean of its divisors is an integer number (12968384).
Almost surely, 2206705241 is an apocalyptic number.
It is an amenable number.
206705241 is a deficient number, since it is larger than the sum of its proper divisors (104535975).
206705241 is a wasteful number, since it uses less digits than its factorization.
206705241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7333 (or 7330 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 206705241 is about 14377.2473373730. The cubic root of 206705241 is about 591.2672569670.
The spelling of 206705241 in words is "two hundred six million, seven hundred five thousand, two hundred forty-one".
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