Base | Representation |
---|---|
bin | 10001000000010100111 |
3 | 1001022100220 |
4 | 2020002213 |
5 | 120312343 |
6 | 15535423 |
7 | 4510362 |
oct | 2100247 |
9 | 1038326 |
10 | 557223 |
11 | 350717 |
12 | 22a573 |
13 | 166824 |
14 | 1070d9 |
15 | b0183 |
hex | 880a7 |
557223 has 8 divisors (see below), whose sum is σ = 746736. Its totient is φ = 369600.
The previous prime is 557201. The next prime is 557261. The reversal of 557223 is 322755.
557223 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 557223 - 26 = 557159 is a prime.
557223 is strictly pandigital in base 7.
It is a junction number, because it is equal to n+sod(n) for n = 557193 and 557202.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 557223.
It is not an unprimeable number, because it can be changed into a prime (557273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513 + ... + 1173.
It is an arithmetic number, because the mean of its divisors is an integer number (93342).
2557223 is an apocalyptic number.
557223 is a deficient number, since it is larger than the sum of its proper divisors (189513).
557223 is a wasteful number, since it uses less digits than its factorization.
557223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945.
The product of its digits is 2100, while the sum is 24.
The square root of 557223 is about 746.4737101868. The cubic root of 557223 is about 82.2892324299.
Adding to 557223 its reverse (322755), we get a palindrome (879978).
It can be divided in two parts, 557 and 223, that added together give a triangular number (780 = T39).
The spelling of 557223 in words is "five hundred fifty-seven thousand, two hundred twenty-three".
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