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4445223 = 313111311
BaseRepresentation
bin10000111101010000100111
322100211200220
4100331100213
52114221343
6235135423
752532556
oct20752047
98324626
104445223
112566842
1215a4573
13bc8413
14839d9d
155cc183
hex43d427

4445223 has 8 divisors (see below), whose sum is σ = 5972736. Its totient is φ = 2940600.

The previous prime is 4445201. The next prime is 4445227. The reversal of 4445223 is 3225444.

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

It is not a de Polignac number, because 4445223 - 26 = 4445159 is a prime.

4445223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4445193 and 4445202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445227) 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, 5263 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (746592).

Almost surely, 24445223 is an apocalyptic number.

4445223 is a deficient number, since it is larger than the sum of its proper divisors (1527513).

4445223 is a wasteful number, since it uses less digits than its factorization.

4445223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445.

The product of its digits is 3840, while the sum is 24.

The square root of 4445223 is about 2108.3697493561. The cubic root of 4445223 is about 164.4237381437.

The spelling of 4445223 in words is "four million, four hundred forty-five thousand, two hundred twenty-three".

Divisors: 1 3 131 393 11311 33933 1481741 4445223