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224203223 = 1432715649
BaseRepresentation
bin11010101110100…
…01000111010111
3120121212201000002
431113101013113
5424344000343
634125241515
75361460466
oct1527210727
9517781002
10224203223
11105614222
126310329b
13375ac93a
1421ac29dd
1514a3a8b8
hexd5d11d7

224203223 has 4 divisors (see below), whose sum is σ = 224233200. Its totient is φ = 224173248.

The previous prime is 224203171. The next prime is 224203229. The reversal of 224203223 is 322302422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 224203223 - 212 = 224199127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224203195 and 224203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224203229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6503 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (56058300).

Almost surely, 2224203223 is an apocalyptic number.

224203223 is a deficient number, since it is larger than the sum of its proper divisors (29977).

224203223 is a wasteful number, since it uses less digits than its factorization.

224203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29976.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 224203223 is about 14973.4172118458. The cubic root of 224203223 is about 607.5014009801.

Adding to 224203223 its reverse (322302422), we get a palindrome (546505645).

The spelling of 224203223 in words is "two hundred twenty-four million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 14327 15649 224203223