Base | Representation |
---|---|
bin | 11010100101101… |
… | …01110111001100 |
3 | 120112200202111121 |
4 | 31102311313030 |
5 | 424044334040 |
6 | 34044330324 |
7 | 5345556124 |
oct | 1522656714 |
9 | 515622447 |
10 | 223043020 |
11 | 1049a1582 |
12 | 628439a4 |
13 | 37294825 |
14 | 2189dc84 |
15 | 148abc4a |
hex | d4b5dcc |
223043020 has 24 divisors (see below), whose sum is σ = 469350000. Its totient is φ = 89034432.
The previous prime is 223043003. The next prime is 223043057. The reversal of 223043020 is 20340322.
It is a junction number, because it is equal to n+sod(n) for n = 223042985 and 223043003.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195 + ... + 21154.
It is an arithmetic number, because the mean of its divisors is an integer number (19556250).
Almost surely, 2223043020 is an apocalyptic number.
223043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223043020 is an abundant number, since it is smaller than the sum of its proper divisors (246306980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223043020 is a wasteful number, since it uses less digits than its factorization.
223043020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22857 (or 22855 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 223043020 is about 14934.6248697448. The cubic root of 223043020 is about 606.4516922712.
Adding to 223043020 its reverse (20340322), we get a palindrome (243383342).
The spelling of 223043020 in words is "two hundred twenty-three million, forty-three thousand, twenty".
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