Base | Representation |
---|---|
bin | 11010010011010… |
… | …00110110101001 |
3 | 120101011012001211 |
4 | 31021220312221 |
5 | 422440133231 |
6 | 33520513121 |
7 | 5316220303 |
oct | 1511506651 |
9 | 511135054 |
10 | 220630441 |
11 | 1035a3a09 |
12 | 61a7b7a1 |
13 | 3692b675 |
14 | 21432973 |
15 | 14581eb1 |
hex | d268da9 |
220630441 has 16 divisors (see below), whose sum is σ = 235008000. Its totient is φ = 206816400.
The previous prime is 220630427. The next prime is 220630447. The reversal of 220630441 is 144036022.
It is a happy number.
220630441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 220630441 - 27 = 220630313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220630447) 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, 129010 + ... + 130708.
It is an arithmetic number, because the mean of its divisors is an integer number (14688000).
Almost surely, 2220630441 is an apocalyptic number.
It is an amenable number.
220630441 is a deficient number, since it is larger than the sum of its proper divisors (14377559).
220630441 is a wasteful number, since it uses less digits than its factorization.
220630441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1860.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 220630441 is about 14853.6339324759. The cubic root of 220630441 is about 604.2571681300.
Adding to 220630441 its reverse (144036022), we get a palindrome (364666463).
The spelling of 220630441 in words is "two hundred twenty million, six hundred thirty thousand, four hundred forty-one".
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