Search a number
-
+
223131224 = 2383336041
BaseRepresentation
bin11010100110010…
…11011001011000
3120112212020111102
431103023121120
5424110144344
634050250532
75346404231
oct1523133130
9515766442
10223131224
11104a51878
1262886a48
13372c5a14
14218c4088
15148c7e4e
hexd4cb658

223131224 has 16 divisors (see below), whose sum is σ = 423412920. Its totient is φ = 110221120.

The previous prime is 223131187. The next prime is 223131247. The reversal of 223131224 is 422131322.

223131224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231312243 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223131196 and 223131205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167357 + ... + 168684.

Almost surely, 2223131224 is an apocalyptic number.

It is an amenable number.

223131224 is a deficient number, since it is larger than the sum of its proper divisors (200281696).

223131224 is a wasteful number, since it uses less digits than its factorization.

223131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336130 (or 336126 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 223131224 is about 14937.5775813885. The cubic root of 223131224 is about 606.5316236606.

Adding to 223131224 its reverse (422131322), we get a palindrome (645262546).

The spelling of 223131224 in words is "two hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 83 166 332 664 336041 672082 1344164 2688328 27891403 55782806 111565612 223131224