Base | Representation |
---|---|
bin | 11010101011111… |
… | …00010111111000 |
3 | 120121020001212102 |
4 | 31111330113320 |
5 | 424301343440 |
6 | 34114002532 |
7 | 5355513515 |
oct | 1525742770 |
9 | 517201772 |
10 | 223856120 |
11 | 1053a7464 |
12 | 62b76448 |
13 | 374ba957 |
14 | 21a3230c |
15 | 149bcb15 |
hex | d57c5f8 |
223856120 has 16 divisors (see below), whose sum is σ = 503676360. Its totient is φ = 89542432.
The previous prime is 223856117. The next prime is 223856123. The reversal of 223856120 is 21658322.
223856120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (223856117) and next prime (223856123).
It is a super-3 number, since 3×2238561203 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223856123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798162 + ... + 2798241.
Almost surely, 2223856120 is an apocalyptic number.
223856120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223856120 is an abundant number, since it is smaller than the sum of its proper divisors (279820240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223856120 is a wasteful number, since it uses less digits than its factorization.
223856120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5596414 (or 5596410 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 223856120 is about 14961.8220815514. The cubic root of 223856120 is about 607.1877354469.
The spelling of 223856120 in words is "two hundred twenty-three million, eight hundred fifty-six thousand, one hundred twenty".
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