Base | Representation |
---|---|
bin | 10111110101111… |
… | …00000101101100 |
3 | 111221100001012221 |
4 | 23322330011230 |
5 | 402144443402 |
6 | 31502405124 |
7 | 4645653643 |
oct | 1372740554 |
9 | 457301187 |
10 | 199999852 |
11 | a2992938 |
12 | 56b907a4 |
13 | 32587210 |
14 | 1c7c235a |
15 | 12859337 |
hex | bebc16c |
199999852 has 96 divisors (see below), whose sum is σ = 417715200. Its totient is φ = 82985472.
The previous prime is 199999841. The next prime is 199999853. The reversal of 199999852 is 258999991.
It is not an unprimeable number, because it can be changed into a prime (199999853) 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, 2739688 + ... + 2739760.
It is an arithmetic number, because the mean of its divisors is an integer number (4351200).
Almost surely, 2199999852 is an apocalyptic number.
It is an amenable number.
199999852 is an abundant number, since it is smaller than the sum of its proper divisors (217715348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199999852 is a wasteful number, since it uses less digits than its factorization.
199999852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215 (or 213 counting only the distinct ones).
The product of its digits is 4723920, while the sum is 61.
The square root of 199999852 is about 14142.1303911398. The cubic root of 199999852 is about 584.8034033910.
The spelling of 199999852 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred fifty-two".
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