Base | Representation |
---|---|
bin | 1001111111110… |
… | …11101000110011 |
3 | 12211210221120001 |
4 | 10333323220303 |
5 | 132432240321 |
6 | 12153330431 |
7 | 2035603510 |
oct | 477735063 |
9 | 184727501 |
10 | 83868211 |
11 | 43383479 |
12 | 24106a17 |
13 | 144b5c7b |
14 | b1d2307 |
15 | 7569c91 |
hex | 4ffba33 |
83868211 has 8 divisors (see below), whose sum is σ = 96123744. Its totient is φ = 71681280.
The previous prime is 83868209. The next prime is 83868271. The reversal of 83868211 is 11286838.
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 83868211 - 21 = 83868209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83868271) 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, 14500 + ... + 19441.
It is an arithmetic number, because the mean of its divisors is an integer number (12015468).
Almost surely, 283868211 is an apocalyptic number.
83868211 is a deficient number, since it is larger than the sum of its proper divisors (12255533).
83868211 is a wasteful number, since it uses less digits than its factorization.
83868211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34301.
The product of its digits is 18432, while the sum is 37.
The square root of 83868211 is about 9157.9588883113. The cubic root of 83868211 is about 437.7227574188.
The spelling of 83868211 in words is "eighty-three million, eight hundred sixty-eight thousand, two hundred eleven".
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