Base | Representation |
---|---|
bin | 10111110101111… |
… | …00001001010000 |
3 | 111221100001112101 |
4 | 23322330021100 |
5 | 402200000310 |
6 | 31502410144 |
7 | 4645654420 |
oct | 1372741120 |
9 | 457301471 |
10 | 200000080 |
11 | a2993025 |
12 | 56b90954 |
13 | 32587357 |
14 | 1c7c2480 |
15 | 1285943a |
hex | bebc250 |
200000080 has 80 divisors (see below), whose sum is σ = 559428480. Its totient is φ = 64958976.
The previous prime is 200000069. The next prime is 200000081. The reversal of 200000080 is 80000002.
It is a happy number.
200000080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
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 congruent number.
It is not an unprimeable number, because it can be changed into a prime (200000081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242 + ... + 20038.
It is an arithmetic number, because the mean of its divisors is an integer number (6992856).
Almost surely, 2200000080 is an apocalyptic number.
200000080 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 200000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279714240).
200000080 is an abundant number, since it is smaller than the sum of its proper divisors (359428400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200000080 is a wasteful number, since it uses less digits than its factorization.
200000080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18836 (or 18830 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 200000080 is about 14142.1384521578. The cubic root of 200000080 is about 584.8036256164.
Adding to 200000080 its reverse (80000002), we get a palindrome (280000082).
The spelling of 200000080 in words is "two hundred million, eighty", and thus it is an aban number.
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