Base | Representation |
---|---|
bin | 11010010010101… |
… | …11111000100010 |
3 | 120101000122201100 |
4 | 31021113320202 |
5 | 422430422210 |
6 | 33515215230 |
7 | 5315510532 |
oct | 1511277042 |
9 | 511018640 |
10 | 220560930 |
11 | 103556767 |
12 | 61a47516 |
13 | 36905b35 |
14 | 214154c2 |
15 | 1456b5c0 |
hex | d257e22 |
220560930 has 48 divisors (see below), whose sum is σ = 603645120. Its totient is φ = 55720224.
The previous prime is 220560929. The next prime is 220560937. The reversal of 220560930 is 39065022.
220560930 is a `hidden beast` number, since 2 + 20 + 5 + 609 + 30 = 666.
220560930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 220560894 and 220560903.
It is not an unprimeable number, because it can be changed into a prime (220560937) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62782 + ... + 66201.
It is an arithmetic number, because the mean of its divisors is an integer number (12575940).
Almost surely, 2220560930 is an apocalyptic number.
220560930 is an abundant number, since it is smaller than the sum of its proper divisors (383084190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220560930 is a wasteful number, since it uses less digits than its factorization.
220560930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129015 (or 129012 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 220560930 is about 14851.2938830258. The cubic root of 220560930 is about 604.1937031315.
The spelling of 220560930 in words is "two hundred twenty million, five hundred sixty thousand, nine hundred thirty".
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