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223030223 = 1342140751
BaseRepresentation
bin11010100101100…
…10101111001111
3120112200002221122
431102302233033
5424043431343
634044151155
75345503613
oct1522625717
9515602848
10223030223
111049929a9
12628384bb
133728ba60
1421899343
15148a8068
hexd4b2bcf

223030223 has 8 divisors (see below), whose sum is σ = 240762816. Its totient is φ = 205380000.

The previous prime is 223030219. The next prime is 223030231. The reversal of 223030223 is 322030322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223030223 - 22 = 223030219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223030253) 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 7 ways as a sum of consecutive naturals, for example, 14903 + ... + 25848.

It is an arithmetic number, because the mean of its divisors is an integer number (30095352).

Almost surely, 2223030223 is an apocalyptic number.

223030223 is a deficient number, since it is larger than the sum of its proper divisors (17732593).

223030223 is a wasteful number, since it uses less digits than its factorization.

223030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41185.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 223030223 is about 14934.1964296711. The cubic root of 223030223 is about 606.4400937453.

Adding to 223030223 its reverse (322030322), we get a palindrome (545060545).

Subtracting 223030223 from its reverse (322030322), we obtain a palindrome (99000099).

The spelling of 223030223 in words is "two hundred twenty-three million, thirty thousand, two hundred twenty-three".

Divisors: 1 13 421 5473 40751 529763 17156171 223030223