Base | Representation |
---|---|
bin | 11010010001001… |
… | …00000101100000 |
3 | 120100121212200111 |
4 | 31020210011200 |
5 | 422402130033 |
6 | 33510501104 |
7 | 5313635143 |
oct | 1510440540 |
9 | 510555614 |
10 | 220348768 |
11 | 103421322 |
12 | 61964794 |
13 | 368603b3 |
14 | 2139c05a |
15 | 145287cd |
hex | d224160 |
220348768 has 12 divisors (see below), whose sum is σ = 433811700. Its totient is φ = 110174368.
The previous prime is 220348741. The next prime is 220348769. The reversal of 220348768 is 867843022.
It is a self number, because there is not a number n which added to its sum of digits gives 220348768.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220348769) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442918 + ... + 3442981.
It is an arithmetic number, because the mean of its divisors is an integer number (36150975).
Almost surely, 2220348768 is an apocalyptic number.
It is an amenable number.
220348768 is a deficient number, since it is larger than the sum of its proper divisors (213462932).
220348768 is an equidigital number, since it uses as much as digits as its factorization.
220348768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6885909 (or 6885901 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 40.
The square root of 220348768 is about 14844.1492851561. The cubic root of 220348768 is about 603.9999122845. Note that the first 4 decimals are identical.
The spelling of 220348768 in words is "two hundred twenty million, three hundred forty-eight thousand, seven hundred sixty-eight".
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