Base | Representation |
---|---|
bin | 11000101011001… |
… | …01001111010010 |
3 | 112102110212212111 |
4 | 30111211033102 |
5 | 410441443041 |
6 | 32312215534 |
7 | 5062223215 |
oct | 1425451722 |
9 | 472425774 |
10 | 206984146 |
11 | a6923286 |
12 | 5939a5aa |
13 | 33b61235 |
14 | 1d6bd77c |
15 | 13288981 |
hex | c5653d2 |
206984146 has 16 divisors (see below), whose sum is σ = 335736576. Its totient is φ = 95331136.
The previous prime is 206984143. The next prime is 206984147. The reversal of 206984146 is 641489602.
206984146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 206984099 and 206984108.
It is not an unprimeable number, because it can be changed into a prime (206984143) 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, 63166 + ... + 66361.
It is an arithmetic number, because the mean of its divisors is an integer number (20983536).
Almost surely, 2206984146 is an apocalyptic number.
206984146 is a deficient number, since it is larger than the sum of its proper divisors (128752430).
206984146 is a wasteful number, since it uses less digits than its factorization.
206984146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129593.
The product of its (nonzero) digits is 82944, while the sum is 40.
The square root of 206984146 is about 14386.9435948015. The cubic root of 206984146 is about 591.5330674836.
The spelling of 206984146 in words is "two hundred six million, nine hundred eighty-four thousand, one hundred forty-six".
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