Base | Representation |
---|---|
bin | 10111110101110… |
… | …00001001011001 |
3 | 111221022020001220 |
4 | 23322320021121 |
5 | 402143434310 |
6 | 31502202253 |
7 | 4645555605 |
oct | 1372701131 |
9 | 457266056 |
10 | 199983705 |
11 | a2981799 |
12 | 56b83389 |
13 | 3257ca6c |
14 | 1c7ba505 |
15 | 12854670 |
hex | beb8259 |
199983705 has 32 divisors (see below), whose sum is σ = 330501504. Its totient is φ = 103182336.
The previous prime is 199983703. The next prime is 199983709. The reversal of 199983705 is 507389991.
It is a happy number.
It is not a de Polignac number, because 199983705 - 21 = 199983703 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (199983701) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106182 + ... + 108048.
It is an arithmetic number, because the mean of its divisors is an integer number (10328172).
Almost surely, 2199983705 is an apocalyptic number.
199983705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
199983705 is a deficient number, since it is larger than the sum of its proper divisors (130517799).
199983705 is a wasteful number, since it uses less digits than its factorization.
199983705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2105.
The product of its (nonzero) digits is 612360, while the sum is 51.
The square root of 199983705 is about 14141.5594967458. The cubic root of 199983705 is about 584.7876649215.
The spelling of 199983705 in words is "one hundred ninety-nine million, nine hundred eighty-three thousand, seven hundred five".
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