Base | Representation |
---|---|
bin | 11000010110100… |
… | …01010101100111 |
3 | 112020101120010001 |
4 | 30023101111213 |
5 | 404243444231 |
6 | 32134242131 |
7 | 5030234662 |
oct | 1413212547 |
9 | 466346101 |
10 | 204281191 |
11 | a5347534 |
12 | 584b6347 |
13 | 33425b5a |
14 | 1d1b86d9 |
15 | 12e02b61 |
hex | c2d1567 |
204281191 has 8 divisors (see below), whose sum is σ = 214481520. Its totient is φ = 194291328.
The previous prime is 204281183. The next prime is 204281213. The reversal of 204281191 is 191182402.
204281191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 204281191 - 23 = 204281183 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204281591) 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, 50626 + ... + 54511.
It is an arithmetic number, because the mean of its divisors is an integer number (26810190).
Almost surely, 2204281191 is an apocalyptic number.
204281191 is a deficient number, since it is larger than the sum of its proper divisors (10200329).
204281191 is a wasteful number, since it uses less digits than its factorization.
204281191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105233.
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 204281191 is about 14292.6971212574. The cubic root of 204281191 is about 588.9468822533.
The spelling of 204281191 in words is "two hundred four million, two hundred eighty-one thousand, one hundred ninety-one".
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