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444380223 = 3721160963
BaseRepresentation
bin11010011111001…
…011010000111111
31010222011212001210
4122133023100333
51402230131343
6112032335503
714004112110
oct3237132077
91128155053
10444380223
11208928491
121049a4593
13710acaa1
1443038207
152902d333
hex1a7cb43f

444380223 has 8 divisors (see below), whose sum is σ = 677150848. Its totient is φ = 253931544.

The previous prime is 444380219. The next prime is 444380231. The reversal of 444380223 is 322083444.

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

It is not a de Polignac number, because 444380223 - 22 = 444380219 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 (444380203) 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, 10580461 + ... + 10580502.

It is an arithmetic number, because the mean of its divisors is an integer number (84643856).

Almost surely, 2444380223 is an apocalyptic number.

444380223 is a deficient number, since it is larger than the sum of its proper divisors (232770625).

444380223 is a wasteful number, since it uses less digits than its factorization.

444380223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160973.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444380223 is about 21080.3278674692. The cubic root of 444380223 is about 763.1060689972.

It can be divided in two parts, 4443 and 80223, that added together give a triangular number (84666 = T411).

The spelling of 444380223 in words is "four hundred forty-four million, three hundred eighty thousand, two hundred twenty-three".

Divisors: 1 3 7 21 21160963 63482889 148126741 444380223