Base | Representation |
---|---|
bin | 11010100101100… |
… | …01000111111101 |
3 | 120112122202212211 |
4 | 31102301013331 |
5 | 424043223423 |
6 | 34044100421 |
7 | 5345445421 |
oct | 1522610775 |
9 | 515582784 |
10 | 223023613 |
11 | 104988a3a |
12 | 62834711 |
13 | 37288a47 |
14 | 21896b81 |
15 | 148a610d |
hex | d4b11fd |
223023613 has 4 divisors (see below), whose sum is σ = 223060608. Its totient is φ = 222986620.
The previous prime is 223023611. The next prime is 223023623. The reversal of 223023613 is 316320322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 223023613 - 21 = 223023611 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 (223023611) 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, 7123 + ... + 22288.
It is an arithmetic number, because the mean of its divisors is an integer number (55765152).
Almost surely, 2223023613 is an apocalyptic number.
It is an amenable number.
223023613 is a deficient number, since it is larger than the sum of its proper divisors (36995).
223023613 is an equidigital number, since it uses as much as digits as its factorization.
223023613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36994.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 223023613 is about 14933.9751238577. The cubic root of 223023613 is about 606.4341026162.
Adding to 223023613 its reverse (316320322), we get a palindrome (539343935).
The spelling of 223023613 in words is "two hundred twenty-three million, twenty-three thousand, six hundred thirteen".
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