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224466689 = 474775887
BaseRepresentation
bin11010110000100…
…01011100000001
3120122101002102002
431120101130001
5424430413224
634135033345
75363635556
oct1530213401
9518332362
10224466689
11105784167
126320b855
1337672835
1421b50a2d
1514a8d9ae
hexd611701

224466689 has 4 divisors (see below), whose sum is σ = 229242624. Its totient is φ = 219690756.

The previous prime is 224466659. The next prime is 224466701. The reversal of 224466689 is 986664422.

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 a de Polignac number, because none of the positive numbers 2k-224466689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 4775887 = 224466689 / (2 + 2 + 4 + 4 + 6 + 6 + 6 + 8 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (224466659) 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 3 ways as a sum of consecutive naturals, for example, 2387897 + ... + 2387990.

It is an arithmetic number, because the mean of its divisors is an integer number (57310656).

Almost surely, 2224466689 is an apocalyptic number.

It is an amenable number.

224466689 is a deficient number, since it is larger than the sum of its proper divisors (4775935).

224466689 is an equidigital number, since it uses as much as digits as its factorization.

224466689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775934.

The product of its digits is 995328, while the sum is 47.

The square root of 224466689 is about 14982.2124200667. The cubic root of 224466689 is about 607.7392704568.

The spelling of 224466689 in words is "two hundred twenty-four million, four hundred sixty-six thousand, six hundred eighty-nine".

Divisors: 1 47 4775887 224466689