Base | Representation |
---|---|
bin | 11010100111000… |
… | …11100100001000 |
3 | 120120001021021210 |
4 | 31103203210020 |
5 | 424121331331 |
6 | 34052333120 |
7 | 5350265646 |
oct | 1523434410 |
9 | 516037253 |
10 | 223230216 |
11 | 10500a190 |
12 | 629141a0 |
13 | 3732bab1 |
14 | 2190c196 |
15 | 148e7446 |
hex | d4e3908 |
223230216 has 64 divisors (see below), whose sum is σ = 610159680. Its totient is φ = 67495680.
The previous prime is 223230209. The next prime is 223230229. The reversal of 223230216 is 612032322.
It is a super-3 number, since 3×2232302163 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223230192 and 223230201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199290 + ... + 200406.
It is an arithmetic number, because the mean of its divisors is an integer number (9533745).
Almost surely, 2223230216 is an apocalyptic number.
It is an amenable number.
223230216 is an abundant number, since it is smaller than the sum of its proper divisors (386929464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223230216 is a wasteful number, since it uses less digits than its factorization.
223230216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 223230216 is about 14940.8907364989. The cubic root of 223230216 is about 606.6213061658.
Adding to 223230216 its reverse (612032322), we get a palindrome (835262538).
It can be divided in two parts, 223230 and 216, that added together give a triangular number (223446 = T668).
The spelling of 223230216 in words is "two hundred twenty-three million, two hundred thirty thousand, two hundred sixteen".
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