Base | Representation |
---|---|
bin | 11010100111111… |
… | …10101111111001 |
3 | 120120020221000200 |
4 | 31103332233321 |
5 | 424133412221 |
6 | 34054552413 |
7 | 5351241402 |
oct | 1523765771 |
9 | 516227020 |
10 | 223341561 |
11 | 105085903 |
12 | 62968709 |
13 | 3736a691 |
14 | 2193a9a9 |
15 | 1491a426 |
hex | d4febf9 |
223341561 has 24 divisors (see below), whose sum is σ = 340179840. Its totient is φ = 140810400.
The previous prime is 223341487. The next prime is 223341581. The reversal of 223341561 is 165143322.
It is not a de Polignac number, because 223341561 - 29 = 223341049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (223341581) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180816 + ... + 182046.
It is an arithmetic number, because the mean of its divisors is an integer number (14174160).
Almost surely, 2223341561 is an apocalyptic number.
It is an amenable number.
223341561 is a deficient number, since it is larger than the sum of its proper divisors (116838279).
223341561 is a wasteful number, since it uses less digits than its factorization.
223341561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2317 (or 2314 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 223341561 is about 14944.6164554330. The cubic root of 223341561 is about 606.7221482823.
Adding to 223341561 its reverse (165143322), we get a palindrome (388484883).
The spelling of 223341561 in words is "two hundred twenty-three million, three hundred forty-one thousand, five hundred sixty-one".
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