Base | Representation |
---|---|
bin | 11010101001011… |
… | …11101111010110 |
3 | 120120122010021212 |
4 | 31110233233112 |
5 | 424211322410 |
6 | 34103141422 |
7 | 5353035422 |
oct | 1524575726 |
9 | 516563255 |
10 | 223542230 |
11 | 10520264a |
12 | 62a44872 |
13 | 3740ab12 |
14 | 2198db82 |
15 | 14959b05 |
hex | d52fbd6 |
223542230 has 16 divisors (see below), whose sum is σ = 403292304. Its totient is φ = 89213280.
The previous prime is 223542203. The next prime is 223542259. The reversal of 223542230 is 32245322.
It is a super-2 number, since 2×2235422302 = 99942257186745800, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 223542196 and 223542205.
It is a congruent number.
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, 20801 + ... + 29660.
It is an arithmetic number, because the mean of its divisors is an integer number (25205769).
Almost surely, 2223542230 is an apocalyptic number.
223542230 is a deficient number, since it is larger than the sum of its proper divisors (179750074).
223542230 is a wasteful number, since it uses less digits than its factorization.
223542230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50911.
The product of its (nonzero) digits is 2880, while the sum is 23.
The square root of 223542230 is about 14951.3287034966. The cubic root of 223542230 is about 606.9038040995.
Adding to 223542230 its reverse (32245322), we get a palindrome (255787552).
The spelling of 223542230 in words is "two hundred twenty-three million, five hundred forty-two thousand, two hundred thirty".
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