Base | Representation |
---|---|
bin | 11000100110110… |
… | …01111111101001 |
3 | 112101101220111121 |
4 | 30103121333221 |
5 | 410320220201 |
6 | 32252055241 |
7 | 5054326336 |
oct | 1423317751 |
9 | 471356447 |
10 | 206413801 |
11 | a6573820 |
12 | 59164521 |
13 | 339c1759 |
14 | 1d5b198d |
15 | 131c49a1 |
hex | c4d9fe9 |
206413801 has 32 divisors (see below), whose sum is σ = 239708160. Its totient is φ = 176088000.
The previous prime is 206413789. The next prime is 206413819. The reversal of 206413801 is 108314602.
It is not a de Polignac number, because 206413801 - 27 = 206413673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (206413901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2043651 + ... + 2043751.
It is an arithmetic number, because the mean of its divisors is an integer number (7490880).
Almost surely, 2206413801 is an apocalyptic number.
It is an amenable number.
206413801 is a deficient number, since it is larger than the sum of its proper divisors (33294359).
206413801 is a wasteful number, since it uses less digits than its factorization.
206413801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 206413801 is about 14367.1083033434. The cubic root of 206413801 is about 590.9892443762.
It can be divided in two parts, 20641 and 3801, that added together give a palindrome (24442).
The spelling of 206413801 in words is "two hundred six million, four hundred thirteen thousand, eight hundred one".
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