Base | Representation |
---|---|
bin | 11010101001000… |
… | …11110000101001 |
3 | 120120112121222111 |
4 | 31110203300221 |
5 | 424203240121 |
6 | 34102122321 |
7 | 5352442363 |
oct | 1524436051 |
9 | 516477874 |
10 | 223493161 |
11 | 1051797a1 |
12 | 62a203a1 |
13 | 373c1698 |
14 | 21979d33 |
15 | 1494a2e1 |
hex | d523c29 |
223493161 has 8 divisors (see below), whose sum is σ = 227562048. Its totient is φ = 219450000.
The previous prime is 223493159. The next prime is 223493191. The reversal of 223493161 is 161394322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223493161 - 21 = 223493159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223493191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11551 + ... + 24091.
It is an arithmetic number, because the mean of its divisors is an integer number (28445256).
Almost surely, 2223493161 is an apocalyptic number.
It is an amenable number.
223493161 is a deficient number, since it is larger than the sum of its proper divisors (4068887).
223493161 is a wasteful number, since it uses less digits than its factorization.
223493161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12863.
The product of its digits is 7776, while the sum is 31.
The square root of 223493161 is about 14949.6876556000. The cubic root of 223493161 is about 606.8593943818.
The spelling of 223493161 in words is "two hundred twenty-three million, four hundred ninety-three thousand, one hundred sixty-one".
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