Base | Representation |
---|---|
bin | 11000100110111… |
… | …00100001001101 |
3 | 112101102102200120 |
4 | 30103130201031 |
5 | 410321033031 |
6 | 32252215153 |
7 | 5054401440 |
oct | 1423344115 |
9 | 471372616 |
10 | 206424141 |
11 | a6580570 |
12 | 5916a4b9 |
13 | 339c6381 |
14 | 1d5b5657 |
15 | 131c7a96 |
hex | c4dc84d |
206424141 has 32 divisors (see below), whose sum is σ = 350466048. Its totient is φ = 104946240.
The previous prime is 206424109. The next prime is 206424143. The reversal of 206424141 is 141424602.
It is a happy number.
It is not a de Polignac number, because 206424141 - 25 = 206424109 is a prime.
It is a super-2 number, since 2×2064241412 = 85221851975175762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206424143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351 + ... + 20363.
It is an arithmetic number, because the mean of its divisors is an integer number (10952064).
Almost surely, 2206424141 is an apocalyptic number.
206424141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
206424141 is a deficient number, since it is larger than the sum of its proper divisors (144041907).
206424141 is a wasteful number, since it uses less digits than its factorization.
206424141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19081.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 206424141 is about 14367.4681485640. The cubic root of 206424141 is about 590.9991124611. Note that the first 3 decimals are identical.
Adding to 206424141 its reverse (141424602), we get a palindrome (347848743).
The spelling of 206424141 in words is "two hundred six million, four hundred twenty-four thousand, one hundred forty-one".
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