Base | Representation |
---|---|
bin | 11010010000000… |
… | …10010000101100 |
3 | 120100100211122002 |
4 | 31020002100230 |
5 | 422333211340 |
6 | 33503511432 |
7 | 5312520206 |
oct | 1510022054 |
9 | 510324562 |
10 | 220210220 |
11 | 10333721a |
12 | 618b8578 |
13 | 36812309 |
14 | 21363776 |
15 | 144ec715 |
hex | d20242c |
220210220 has 12 divisors (see below), whose sum is σ = 462441504. Its totient is φ = 88084080.
The previous prime is 220210217. The next prime is 220210261. The reversal of 220210220 is 22012022.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505236 + ... + 5505275.
It is an arithmetic number, because the mean of its divisors is an integer number (38536792).
Almost surely, 2220210220 is an apocalyptic number.
220210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220210220 is an abundant number, since it is smaller than the sum of its proper divisors (242231284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220210220 is a wasteful number, since it uses less digits than its factorization.
220210220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11010520 (or 11010518 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 220210220 is about 14839.4817968823. The cubic root of 220210220 is about 603.8732940363.
Adding to 220210220 its reverse (22012022), we get a palindrome (242222242).
The spelling of 220210220 in words is "two hundred twenty million, two hundred ten thousand, two hundred twenty".
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