| Base | Representation |
|---|---|
| bin | 10111111011111… |
| … | …11011100000000 |
| 3 | 111222211200211001 |
| 4 | 23331333130000 |
| 5 | 402401100000 |
| 6 | 31531501344 |
| 7 | 4655525512 |
| oct | 1375773400 |
| 9 | 458750731 |
| 10 | 200800000 |
| 11 | a338a015 |
| 12 | 572b7854 |
| 13 | 327a748b |
| 14 | 1c94dbb2 |
| 15 | 1296646a |
| hex | bf7f700 |
200800000 has 108 divisors (see below), whose sum is σ = 502983432. Its totient is φ = 80000000.
The previous prime is 200799953. The next prime is 200800003. The reversal of 200800000 is 8002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a self number, because there is not a number n which added to its sum of digits gives 200800000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200800003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799875 + ... + 800125.
It is an arithmetic number, because the mean of its divisors is an integer number (4657254).
Almost surely, 2200800000 is an apocalyptic number.
200800000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251491716).
200800000 is an abundant number, since it is smaller than the sum of its proper divisors (302183432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200800000 is an frugal number, since it uses more digits than its factorization.
200800000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 200800000 is about 14170.3916671347. The cubic root of 200800000 is about 585.5822483595.
Adding to 200800000 its reverse (8002), we get a palindrome (200808002).
The spelling of 200800000 in words is "two hundred million, eight hundred thousand".
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