Base | Representation |
---|---|
bin | 111100100100001… |
… | …0011110000100100 |
3 | 12020121222112102121 |
4 | 1321020103300210 |
5 | 13130222034340 |
6 | 533353315324 |
7 | 101234411131 |
oct | 17110236044 |
9 | 5217875377 |
10 | 2032221220 |
11 | 953154977 |
12 | 488705b44 |
13 | 265049383 |
14 | 153c85588 |
15 | bd62994a |
hex | 79213c24 |
2032221220 has 24 divisors (see below), whose sum is σ = 4331363904. Its totient is φ = 800755296.
The previous prime is 2032221199. The next prime is 2032221221. The reversal of 2032221220 is 221222302.
It is a junction number, because it is equal to n+sod(n) for n = 2032221194 and 2032221203.
It is not an unprimeable number, because it can be changed into a prime (2032221221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756952 + ... + 759631.
It is an arithmetic number, because the mean of its divisors is an integer number (180473496).
Almost surely, 22032221220 is an apocalyptic number.
2032221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2032221220 is an abundant number, since it is smaller than the sum of its proper divisors (2299142684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2032221220 is a wasteful number, since it uses less digits than its factorization.
2032221220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1516659 (or 1516657 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2032221220 is about 45080.1643741458. The cubic root of 2032221220 is about 1266.6510689061.
Adding to 2032221220 its reverse (221222302), we get a palindrome (2253443522).
The spelling of 2032221220 in words is "two billion, thirty-two million, two hundred twenty-one thousand, two hundred twenty".
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