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223144144 = 24103135403
BaseRepresentation
bin11010100110011…
…10100011010000
3120112212220012221
431103032203100
5424111103034
634050430424
75346460006
oct1523164320
9515786187
10223144144
11104a60553
1262892414
13372cb872
14218c8a76
15148cbbb4
hexd4ce8d0

223144144 has 20 divisors (see below), whose sum is σ = 436542496. Its totient is φ = 110488032.

The previous prime is 223144133. The next prime is 223144147. The reversal of 223144144 is 441441322.

It is a super-3 number, since 3×2231441443 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223144147) 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 3 ways as a sum of consecutive naturals, for example, 66054 + ... + 69349.

Almost surely, 2223144144 is an apocalyptic number.

It is an amenable number.

223144144 is a deficient number, since it is larger than the sum of its proper divisors (213398352).

223144144 is a wasteful number, since it uses less digits than its factorization.

223144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135514 (or 135508 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 223144144 is about 14938.0100415015. The cubic root of 223144144 is about 606.5433301312.

Adding to 223144144 its reverse (441441322), we get a palindrome (664585466).

The spelling of 223144144 in words is "two hundred twenty-three million, one hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 103 206 412 824 1648 135403 270806 541612 1083224 2166448 13946509 27893018 55786036 111572072 223144144