Base | Representation |
---|---|
bin | 11010100110111… |
… | …00111010111001 |
3 | 120112222212221211 |
4 | 31103130322321 |
5 | 424114444001 |
6 | 34052003121 |
7 | 5350123420 |
oct | 1523347271 |
9 | 515885854 |
10 | 223203001 |
11 | 104aa079a |
12 | 629004a1 |
13 | 3731c5a8 |
14 | 219022b7 |
15 | 148de351 |
hex | d4dceb9 |
223203001 has 4 divisors (see below), whose sum is σ = 255089152. Its totient is φ = 191316852.
The previous prime is 223202989. The next prime is 223203023. The reversal of 223203001 is 100302322.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 223203001 - 213 = 223194809 is a prime.
It is a super-3 number, since 3×2232030013 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223203041) 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, 15943065 + ... + 15943078.
It is an arithmetic number, because the mean of its divisors is an integer number (63772288).
Almost surely, 2223203001 is an apocalyptic number.
It is an amenable number.
223203001 is a deficient number, since it is larger than the sum of its proper divisors (31886151).
223203001 is an equidigital number, since it uses as much as digits as its factorization.
223203001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31886150.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 223203001 is about 14939.9799531325. The cubic root of 223203001 is about 606.5966531864.
Adding to 223203001 its reverse (100302322), we get a palindrome (323505323).
It can be divided in two parts, 22 and 3203001, that added together give a palindrome (3203023).
The spelling of 223203001 in words is "two hundred twenty-three million, two hundred three thousand, one".
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