Base | Representation |
---|---|
bin | 10111111111000… |
… | …01001001011100 |
3 | 112000121000211000 |
4 | 23333201021130 |
5 | 403001401340 |
6 | 31544230300 |
7 | 4662113364 |
oct | 1377411134 |
9 | 460530730 |
10 | 201200220 |
11 | a3632781 |
12 | 5746b390 |
13 | 328b76b0 |
14 | 1ca159a4 |
15 | 129e4d30 |
hex | bfe125c |
201200220 has 96 divisors (see below), whose sum is σ = 674130240. Its totient is φ = 49524480.
The previous prime is 201200183. The next prime is 201200221. The reversal of 201200220 is 22002102.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201200221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7311 + ... + 21350.
It is an arithmetic number, because the mean of its divisors is an integer number (7022190).
Almost surely, 2201200220 is an apocalyptic number.
201200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201200220 is an abundant number, since it is smaller than the sum of its proper divisors (472930020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201200220 is a wasteful number, since it uses less digits than its factorization.
201200220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28692 (or 28684 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 201200220 is about 14184.5063361401. The cubic root of 201200220 is about 585.9710368644.
Adding to 201200220 its reverse (22002102), we get a palindrome (223202322).
The spelling of 201200220 in words is "two hundred one million, two hundred thousand, two hundred twenty".
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