Base | Representation |
---|---|
bin | 11010100110000… |
… | …11100101010100 |
3 | 120112210121121002 |
4 | 31103003211110 |
5 | 424103133340 |
6 | 34045442432 |
7 | 5346212021 |
oct | 1523034524 |
9 | 515717532 |
10 | 223099220 |
11 | 104a2a823 |
12 | 62870418 |
13 | 372b4296 |
14 | 218b6548 |
15 | 148bd715 |
hex | d4c3954 |
223099220 has 12 divisors (see below), whose sum is σ = 468508404. Its totient is φ = 89239680.
The previous prime is 223099193. The next prime is 223099259. The reversal of 223099220 is 22990322.
It can be written as a sum of positive squares in 2 ways, for example, as 43217476 + 179881744 = 6574^2 + 13412^2 .
It is a super-3 number, since 3×2230992203 (a number of 26 digits) contains 333 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, 5577461 + ... + 5577500.
It is an arithmetic number, because the mean of its divisors is an integer number (39042367).
Almost surely, 2223099220 is an apocalyptic number.
223099220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223099220 is an abundant number, since it is smaller than the sum of its proper divisors (245409184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223099220 is a wasteful number, since it uses less digits than its factorization.
223099220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11154970 (or 11154968 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 223099220 is about 14936.5062849383. The cubic root of 223099220 is about 606.5026237356.
The spelling of 223099220 in words is "two hundred twenty-three million, ninety-nine thousand, two hundred twenty".
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