Base | Representation |
---|---|
bin | 11010100111001… |
… | …00110110010001 |
3 | 120120001112111111 |
4 | 31103210312101 |
5 | 424122013343 |
6 | 34052413321 |
7 | 5350320166 |
oct | 1523446621 |
9 | 516045444 |
10 | 223235473 |
11 | 10501312a |
12 | 62917241 |
13 | 373312c6 |
14 | 2191006d |
15 | 148e8c9d |
hex | d4e4d91 |
223235473 has 2 divisors, whose sum is σ = 223235474. Its totient is φ = 223235472.
The previous prime is 223235471. The next prime is 223235479. The reversal of 223235473 is 374532322.
It is a happy number.
223235473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 174556944 + 48678529 = 13212^2 + 6977^2 .
It is a cyclic number.
It is not a de Polignac number, because 223235473 - 21 = 223235471 is a prime.
It is a super-3 number, since 3×2232354733 (a number of 26 digits) contains 333 as substring.
Together with 223235471, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (223235471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111617736 + 111617737.
It is an arithmetic number, because the mean of its divisors is an integer number (111617737).
Almost surely, 2223235473 is an apocalyptic number.
It is an amenable number.
223235473 is a deficient number, since it is larger than the sum of its proper divisors (1).
223235473 is an equidigital number, since it uses as much as digits as its factorization.
223235473 is an evil number, because the sum of its binary digits is even.
The product of its digits is 30240, while the sum is 31.
The square root of 223235473 is about 14941.0666620560. The cubic root of 223235473 is about 606.6260680409.
Adding to 223235473 its reverse (374532322), we get a palindrome (597767795).
The spelling of 223235473 in words is "two hundred twenty-three million, two hundred thirty-five thousand, four hundred seventy-three".
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