Base | Representation |
---|---|
bin | 111000111110… |
… | …0001110111010 |
3 | 2002012111112202 |
4 | 1301330032322 |
5 | 30121301421 |
6 | 2544110202 |
7 | 511611410 |
oct | 161741672 |
9 | 62174482 |
10 | 29868986 |
11 | 15951014 |
12 | a005362 |
13 | 625a474 |
14 | 3d772b0 |
15 | 295010b |
hex | 1c7c3ba |
29868986 has 16 divisors (see below), whose sum is σ = 52073280. Its totient is φ = 12583680.
The previous prime is 29868977. The next prime is 29868989. The reversal of 29868986 is 68986892.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29868989) 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, 17255 + ... + 18906.
It is an arithmetic number, because the mean of its divisors is an integer number (3254580).
Almost surely, 229868986 is an apocalyptic number.
29868986 is a deficient number, since it is larger than the sum of its proper divisors (22204294).
29868986 is a wasteful number, since it uses less digits than its factorization.
29868986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36229.
The product of its digits is 2985984, while the sum is 56.
The square root of 29868986 is about 5465.2526016644. The cubic root of 29868986 is about 310.2702672528.
The spelling of 29868986 in words is "twenty-nine million, eight hundred sixty-eight thousand, nine hundred eighty-six".
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