Base | Representation |
---|---|
bin | 11010010000100… |
… | …00100101010110 |
3 | 120100110211002220 |
4 | 31020100211112 |
5 | 422342101021 |
6 | 33505043210 |
7 | 5313153225 |
oct | 1510204526 |
9 | 510424086 |
10 | 220268886 |
11 | 103377302 |
12 | 61926506 |
13 | 36832c26 |
14 | 2137acbc |
15 | 1450ecc6 |
hex | d210956 |
220268886 has 36 divisors (see below), whose sum is σ = 452101428. Its totient is φ = 71544672.
The previous prime is 220268869. The next prime is 220268887. The reversal of 220268886 is 688862022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220268887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2653801 + ... + 2653883.
It is an arithmetic number, because the mean of its divisors is an integer number (12558373).
Almost surely, 2220268886 is an apocalyptic number.
220268886 is an abundant number, since it is smaller than the sum of its proper divisors (231832542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220268886 is an frugal number, since it uses more digits than its factorization.
220268886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317 (or 161 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 42.
The square root of 220268886 is about 14841.4583515233. The cubic root of 220268886 is about 603.9269150492.
The spelling of 220268886 in words is "two hundred twenty million, two hundred sixty-eight thousand, eight hundred eighty-six".
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