Base | Representation |
---|---|
bin | 11010100110010… |
… | …01011010111010 |
3 | 120112211211101122 |
4 | 31103021122322 |
5 | 424104420010 |
6 | 34050145242 |
7 | 5346341516 |
oct | 1523113272 |
9 | 515754348 |
10 | 223123130 |
11 | 104a4678a |
12 | 62882222 |
13 | 372c2129 |
14 | 218c1146 |
15 | 148c5855 |
hex | d4c96ba |
223123130 has 64 divisors (see below), whose sum is σ = 440339328. Its totient is φ = 81070080.
The previous prime is 223123127. The next prime is 223123139. The reversal of 223123130 is 31321322.
It is a super-3 number, since 3×2231231303 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 223123099 and 223123108.
It is not an unprimeable number, because it can be changed into a prime (223123139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 957494 + ... + 957726.
It is an arithmetic number, because the mean of its divisors is an integer number (6880302).
Almost surely, 2223123130 is an apocalyptic number.
223123130 is a deficient number, since it is larger than the sum of its proper divisors (217216198).
223123130 is a wasteful number, since it uses less digits than its factorization.
223123130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 223123130 is about 14937.3066514683. The cubic root of 223123130 is about 606.5242896708.
Adding to 223123130 its reverse (31321322), we get a palindrome (254444452).
The spelling of 223123130 in words is "two hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty".
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