Base | Representation |
---|---|
bin | 11010100101111… |
… | …10011110111000 |
3 | 120112202112221022 |
4 | 31102332132320 |
5 | 424102001303 |
6 | 34045202012 |
7 | 5346064064 |
oct | 1522763670 |
9 | 515675838 |
10 | 223078328 |
11 | 104a16060 |
12 | 62860308 |
13 | 372a7915 |
14 | 218acaa4 |
15 | 148b7438 |
hex | d4be7b8 |
223078328 has 64 divisors (see below), whose sum is σ = 473109120. Its totient is φ = 97718400.
The previous prime is 223078321. The next prime is 223078363. The reversal of 223078328 is 823870322.
It is a super-3 number, since 3×2230783283 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223078321) 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 15 ways as a sum of consecutive naturals, for example, 426275 + ... + 426797.
It is an arithmetic number, because the mean of its divisors is an integer number (7392330).
Almost surely, 2223078328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223078328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236554560).
223078328 is an abundant number, since it is smaller than the sum of its proper divisors (250030792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223078328 is a wasteful number, since it uses less digits than its factorization.
223078328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 708 (or 704 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 223078328 is about 14935.8069082323. The cubic root of 223078328 is about 606.4836912799.
The spelling of 223078328 in words is "two hundred twenty-three million, seventy-eight thousand, three hundred twenty-eight".
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