Base | Representation |
---|---|
bin | 11010100110111… |
… | …00111111000110 |
3 | 120112222220022210 |
4 | 31103130333012 |
5 | 424120001040 |
6 | 34052004250 |
7 | 5350124253 |
oct | 1523347706 |
9 | 515886283 |
10 | 223203270 |
11 | 104aa0a14 |
12 | 62900686 |
13 | 3731c754 |
14 | 2190242a |
15 | 148de480 |
hex | d4dcfc6 |
223203270 has 64 divisors (see below), whose sum is σ = 568249344. Its totient is φ = 55989120.
The previous prime is 223203269. The next prime is 223203271. The reversal of 223203270 is 72302322.
It is an interprime number because it is at equal distance from previous prime (223203269) and next prime (223203271).
It is a super-3 number, since 3×2232032703 (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 (223203271) 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 31 ways as a sum of consecutive naturals, for example, 39439 + ... + 44741.
It is an arithmetic number, because the mean of its divisors is an integer number (8878896).
Almost surely, 2223203270 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223203270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284124672).
223203270 is an abundant number, since it is smaller than the sum of its proper divisors (345046074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223203270 is a wasteful number, since it uses less digits than its factorization.
223203270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5397.
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 223203270 is about 14939.9889558192. The cubic root of 223203270 is about 606.5968968725.
Adding to 223203270 its reverse (72302322), we get a palindrome (295505592).
The spelling of 223203270 in words is "two hundred twenty-three million, two hundred three thousand, two hundred seventy".
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