Base | Representation |
---|---|
bin | 10111110111011… |
… | …01101101110000 |
3 | 111221201101001101 |
4 | 23323231231300 |
5 | 402222444440 |
6 | 31511014144 |
7 | 4650461365 |
oct | 1373555560 |
9 | 457641041 |
10 | 200203120 |
11 | a3011627 |
12 | 5706a354 |
13 | 326288b0 |
14 | 1c83646c |
15 | 1289969a |
hex | beedb70 |
200203120 has 80 divisors (see below), whose sum is σ = 504780192. Its totient is φ = 73405440.
The previous prime is 200203051. The next prime is 200203121. The reversal of 200203120 is 21302002.
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 junction number, because it is equal to n+sod(n) for n = 200203097 and 200203106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200203121) 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, 168930 + ... + 170110.
Almost surely, 2200203120 is an apocalyptic number.
200203120 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 200203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252390096).
200203120 is an abundant number, since it is smaller than the sum of its proper divisors (304577072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200203120 is a wasteful number, since it uses less digits than its factorization.
200203120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370 (or 1364 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 200203120 is about 14149.3151777745. The cubic root of 200203120 is about 585.0014561534.
Adding to 200203120 its reverse (21302002), we get a palindrome (221505122).
The spelling of 200203120 in words is "two hundred million, two hundred three thousand, one hundred twenty".
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