Base | Representation |
---|---|
bin | 10111111101011… |
… | …01111000000000 |
3 | 112000012100201210 |
4 | 23332231320000 |
5 | 402423141313 |
6 | 31535530120 |
7 | 4660250166 |
oct | 1376557000 |
9 | 460170653 |
10 | 200990208 |
11 | a34a9a11 |
12 | 57389940 |
13 | 32842c23 |
14 | 1c99d236 |
15 | 129a29c3 |
hex | bfade00 |
200990208 has 160 divisors (see below), whose sum is σ = 577463040. Its totient is φ = 61931520.
The previous prime is 200990171. The next prime is 200990219. The reversal of 200990208 is 802099002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072016 + ... + 2072112.
It is an arithmetic number, because the mean of its divisors is an integer number (3609144).
Almost surely, 2200990208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200990208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288731520).
200990208 is an abundant number, since it is smaller than the sum of its proper divisors (376472832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200990208 is an equidigital number, since it uses as much as digits as its factorization.
200990208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208 (or 192 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 200990208 is about 14177.1015373383. The cubic root of 200990208 is about 585.7670877980.
The spelling of 200990208 in words is "two hundred million, nine hundred ninety thousand, two hundred eight".
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