Base | Representation |
---|---|
bin | 11010100110001… |
… | …10110001110110 |
3 | 120112211021112220 |
4 | 31103012301312 |
5 | 424104043220 |
6 | 34050023210 |
7 | 5346265131 |
oct | 1523066166 |
9 | 515737486 |
10 | 223112310 |
11 | 104a39643 |
12 | 62877b06 |
13 | 372ba225 |
14 | 218bb218 |
15 | 148c2540 |
hex | d4c6c76 |
223112310 has 16 divisors (see below), whose sum is σ = 535469616. Its totient is φ = 59496608.
The previous prime is 223112303. The next prime is 223112321. The reversal of 223112310 is 13211322.
It is a super-3 number, since 3×2231123103 (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 (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 223112310.
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, 3718509 + ... + 3718568.
It is an arithmetic number, because the mean of its divisors is an integer number (33466851).
Almost surely, 2223112310 is an apocalyptic number.
223112310 is an abundant number, since it is smaller than the sum of its proper divisors (312357306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223112310 is a wasteful number, since it uses less digits than its factorization.
223112310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7437087.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 223112310 is about 14936.9444666572. The cubic root of 223112310 is about 606.5144853699.
Adding to 223112310 its reverse (13211322), we get a palindrome (236323632).
It can be divided in two parts, 2231 and 12310, that added together give a palindrome (14541).
The spelling of 223112310 in words is "two hundred twenty-three million, one hundred twelve thousand, three hundred ten".
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