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224020223 = 749165179
BaseRepresentation
bin11010101101001…
…00011011111111
3120121112101222022
431112210123333
5424322121343
634121310355
75360066120
oct1526443377
9517471868
10224020223
111054a9789
12630353bb
133754755b
1421a76047
1514a01568
hexd5a46ff

224020223 has 8 divisors (see below), whose sum is σ = 256548480. Its totient is φ = 191623320.

The previous prime is 224020217. The next prime is 224020249. The reversal of 224020223 is 322020422.

Adding to 224020223 its reverse (322020422), we get a palindrome (546040645).

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

It is not a de Polignac number, because 224020223 - 28 = 224019967 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 (224020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29153 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (32068560).

Almost surely, 2224020223 is an apocalyptic number.

224020223 is a deficient number, since it is larger than the sum of its proper divisors (32528257).

224020223 is an equidigital number, since it uses as much as digits as its factorization.

224020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65677.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 224020223 is about 14967.3051348598. The cubic root of 224020223 is about 607.3360702950.

The spelling of 224020223 in words is "two hundred twenty-four million, twenty thousand, two hundred twenty-three".

Divisors: 1 7 491 3437 65179 456253 32002889 224020223