Base | Representation |
---|---|
bin | 11000100111001… |
… | …01100101100100 |
3 | 112101111022122020 |
4 | 30103211211210 |
5 | 410323230114 |
6 | 32253103140 |
7 | 5054614641 |
oct | 1423454544 |
9 | 471438566 |
10 | 206461284 |
11 | a65a6467 |
12 | 59187ab0 |
13 | 33a0a253 |
14 | 1d5c4dc8 |
15 | 131d3aa9 |
hex | c4e5964 |
206461284 has 24 divisors (see below), whose sum is σ = 482078688. Its totient is φ = 68772480.
The previous prime is 206461279. The next prime is 206461309. The reversal of 206461284 is 482164602.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 14844 + ... + 25164.
It is an arithmetic number, because the mean of its divisors is an integer number (20086612).
Almost surely, 2206461284 is an apocalyptic number.
It is an amenable number.
206461284 is an abundant number, since it is smaller than the sum of its proper divisors (275617404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206461284 is a wasteful number, since it uses less digits than its factorization.
206461284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11995 (or 11993 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
The square root of 206461284 is about 14368.7606981256. The cubic root of 206461284 is about 591.0345575459.
The spelling of 206461284 in words is "two hundred six million, four hundred sixty-one thousand, two hundred eighty-four".
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