Base | Representation |
---|---|
bin | 100100011101010… |
… | …1000100110101111 |
3 | 10011020220121120210 |
4 | 1020322220212233 |
5 | 10001133031343 |
6 | 321220113503 |
7 | 42213064263 |
oct | 11072504657 |
9 | 3136817523 |
10 | 1223330223 |
11 | 5785a1115 |
12 | 2a1835893 |
13 | 1665a264b |
14 | b86840a3 |
15 | 725e8333 |
hex | 48ea89af |
1223330223 has 16 divisors (see below), whose sum is σ = 1680694400. Its totient is φ = 790904736.
The previous prime is 1223330221. The next prime is 1223330237. The reversal of 1223330223 is 3220333221.
It is not a de Polignac number, because 1223330223 - 21 = 1223330221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1223330223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223330221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16128 + ... + 52026.
It is an arithmetic number, because the mean of its divisors is an integer number (105043400).
Almost surely, 21223330223 is an apocalyptic number.
1223330223 is a deficient number, since it is larger than the sum of its proper divisors (457364177).
1223330223 is a wasteful number, since it uses less digits than its factorization.
1223330223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36246.
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 1223330223 is about 34976.1379085799. The cubic root of 1223330223 is about 1069.5010988289.
Adding to 1223330223 its reverse (3220333221), we get a palindrome (4443663444).
The spelling of 1223330223 in words is "one billion, two hundred twenty-three million, three hundred thirty thousand, two hundred twenty-three".
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