Base | Representation |
---|---|
bin | 11010101000100… |
… | …01111010010100 |
3 | 120120101220200202 |
4 | 31110101322110 |
5 | 424143420202 |
6 | 34100400032 |
7 | 5352016262 |
oct | 1524217224 |
9 | 516356622 |
10 | 223420052 |
11 | 105129879 |
12 | 629a6018 |
13 | 3739731b |
14 | 2195b432 |
15 | 14933802 |
hex | d511e94 |
223420052 has 24 divisors (see below), whose sum is σ = 414458856. Its totient is φ = 105018368.
The previous prime is 223420049. The next prime is 223420061. The reversal of 223420052 is 250024322.
It can be written as a sum of positive squares in 4 ways, for example, as 62789776 + 160630276 = 7924^2 + 12674^2 .
It is a congruent number.
It is an unprimeable number.
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, 92168 + ... + 94560.
It is an arithmetic number, because the mean of its divisors is an integer number (17269119).
Almost surely, 2223420052 is an apocalyptic number.
It is an amenable number.
223420052 is a deficient number, since it is larger than the sum of its proper divisors (191038804).
223420052 is a wasteful number, since it uses less digits than its factorization.
223420052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3787 (or 3785 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 20.
The square root of 223420052 is about 14947.2422874589. The cubic root of 223420052 is about 606.7932152917.
Adding to 223420052 its reverse (250024322), we get a palindrome (473444374).
The spelling of 223420052 in words is "two hundred twenty-three million, four hundred twenty thousand, fifty-two".
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