Base | Representation |
---|---|
bin | 11000111010101… |
… | …10101111001000 |
3 | 112120022102010201 |
4 | 30131112233020 |
5 | 412002200041 |
6 | 32424021544 |
7 | 5115441166 |
oct | 1435265710 |
9 | 476272121 |
10 | 209021896 |
11 | a7a95276 |
12 | 5a0018b4 |
13 | 343c58c5 |
14 | 1da90236 |
15 | 1353c631 |
hex | c756bc8 |
209021896 has 16 divisors (see below), whose sum is σ = 398559600. Its totient is φ = 102739344.
The previous prime is 209021881. The next prime is 209021899. The reversal of 209021896 is 698120902.
209021896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (209021899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220950 + ... + 221893.
It is an arithmetic number, because the mean of its divisors is an integer number (24909975).
Almost surely, 2209021896 is an apocalyptic number.
It is an amenable number.
209021896 is a deficient number, since it is larger than the sum of its proper divisors (189537704).
209021896 is a wasteful number, since it uses less digits than its factorization.
209021896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442908 (or 442904 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 209021896 is about 14457.5895639626. The cubic root of 209021896 is about 593.4679375909.
The spelling of 209021896 in words is "two hundred nine million, twenty-one thousand, eight hundred ninety-six".
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