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224429381 = 1182124851
BaseRepresentation
bin11010110000010…
…00010101000101
3120122022012020022
431120020111011
5424423220011
634134144525
75363422031
oct1530102505
9518265208
10224429381
11105759130
12631b2145
133765b867
1421b411c1
1514a828db
hexd608545

224429381 has 8 divisors (see below), whose sum is σ = 245140128. Its totient is φ = 203770000.

The previous prime is 224429369. The next prime is 224429399. The reversal of 224429381 is 183924422.

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 224429381 - 214 = 224412997 is a prime.

It is a super-2 number, since 2×2244293812 = 100737094112086322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224429351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3395 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (30642516).

Almost surely, 2224429381 is an apocalyptic number.

It is an amenable number.

224429381 is a deficient number, since it is larger than the sum of its proper divisors (20710747).

224429381 is a wasteful number, since it uses less digits than its factorization.

224429381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25683.

The product of its digits is 27648, while the sum is 35.

The square root of 224429381 is about 14980.9672918674. The cubic root of 224429381 is about 607.7055983589.

The spelling of 224429381 in words is "two hundred twenty-four million, four hundred twenty-nine thousand, three hundred eighty-one".

Divisors: 1 11 821 9031 24851 273361 20402671 224429381