Base | Representation |
---|---|
bin | 11010101000010… |
… | …10101111100000 |
3 | 120120100102102012 |
4 | 31110022233200 |
5 | 424142000223 |
6 | 34100012052 |
7 | 5351534543 |
oct | 1524125740 |
9 | 516312365 |
10 | 223390688 |
11 | 105109804 |
12 | 62991028 |
13 | 37386b51 |
14 | 2195085a |
15 | 14929c78 |
hex | d50abe0 |
223390688 has 24 divisors (see below), whose sum is σ = 440876520. Its totient is φ = 111422080.
The previous prime is 223390667. The next prime is 223390703. The reversal of 223390688 is 886093322.
It is a super-2 number, since 2×2233906882 = 99806798970226688, which contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 5078 + ... + 21738.
It is an arithmetic number, because the mean of its divisors is an integer number (18369855).
Almost surely, 2223390688 is an apocalyptic number.
It is an amenable number.
223390688 is a deficient number, since it is larger than the sum of its proper divisors (217485832).
223390688 is a wasteful number, since it uses less digits than its factorization.
223390688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17090 (or 17082 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 223390688 is about 14946.2600004148. The cubic root of 223390688 is about 606.7666306044.
The spelling of 223390688 in words is "two hundred twenty-three million, three hundred ninety thousand, six hundred eighty-eight".
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