Base | Representation |
---|---|
bin | 11010100101100… |
… | …00010001000111 |
3 | 120112122121001211 |
4 | 31102300101013 |
5 | 424043120403 |
6 | 34044032251 |
7 | 5345432245 |
oct | 1522602107 |
9 | 515577054 |
10 | 223020103 |
11 | 104986339 |
12 | 62832687 |
13 | 37287277 |
14 | 21895795 |
15 | 148a506d |
hex | d4b0447 |
223020103 has 4 divisors (see below), whose sum is σ = 223057800. Its totient is φ = 222982408.
The previous prime is 223020097. The next prime is 223020143. The reversal of 223020103 is 301020322.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301020322 = 2 ⋅150510161.
It is a cyclic number.
It is not a de Polignac number, because 223020103 - 221 = 220922951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223020143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7825 + ... + 22522.
It is an arithmetic number, because the mean of its divisors is an integer number (55764450).
Almost surely, 2223020103 is an apocalyptic number.
223020103 is a deficient number, since it is larger than the sum of its proper divisors (37697).
223020103 is an equidigital number, since it uses as much as digits as its factorization.
223020103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37696.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 223020103 is about 14933.8576061244. The cubic root of 223020103 is about 606.4309211969.
Adding to 223020103 its reverse (301020322), we get a palindrome (524040425).
The spelling of 223020103 in words is "two hundred twenty-three million, twenty thousand, one hundred three".
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