Base | Representation |
---|---|
bin | 11000101001100… |
… | …00011110101111 |
3 | 112102001220102211 |
4 | 30110300132233 |
5 | 410413034142 |
6 | 32303431251 |
7 | 5060333203 |
oct | 1424603657 |
9 | 472056384 |
10 | 206768047 |
11 | a6795992 |
12 | 592b5527 |
13 | 33ab6a75 |
14 | 1d664b03 |
15 | 13244917 |
hex | c5307af |
206768047 has 8 divisors (see below), whose sum is σ = 216364160. Its totient is φ = 197354880.
The previous prime is 206768033. The next prime is 206768063. The reversal of 206768047 is 740867602.
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 206768047 - 215 = 206735279 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 (206768017) 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, 43422 + ... + 47947.
It is an arithmetic number, because the mean of its divisors is an integer number (27045520).
Almost surely, 2206768047 is an apocalyptic number.
206768047 is a deficient number, since it is larger than the sum of its proper divisors (9596113).
206768047 is an equidigital number, since it uses as much as digits as its factorization.
206768047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91473.
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 206768047 is about 14379.4313865326. The cubic root of 206768047 is about 591.3271350987.
The spelling of 206768047 in words is "two hundred six million, seven hundred sixty-eight thousand, forty-seven".
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