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440041223 = 28112131291
BaseRepresentation
bin11010001110100…
…111111100000111
31010200000102002002
4122032213330013
51400122304343
6111355335515
713622201006
oct3216477407
91120012062
10440041223
11206434536
1210345159b
1370220b2b
1442628c3d
15289728b8
hex1a3a7f07

440041223 has 8 divisors (see below), whose sum is σ = 442313616. Its totient is φ = 437774400.

The previous prime is 440041211. The next prime is 440041247. The reversal of 440041223 is 322140044.

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 440041223 - 24 = 440041207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440041195 and 440041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340208 + ... + 341498.

It is an arithmetic number, because the mean of its divisors is an integer number (55289202).

Almost surely, 2440041223 is an apocalyptic number.

440041223 is a deficient number, since it is larger than the sum of its proper divisors (2272393).

440041223 is a wasteful number, since it uses less digits than its factorization.

440041223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440041223 is about 20977.1595550971. The cubic root of 440041223 is about 760.6142443059.

Adding to 440041223 its reverse (322140044), we get a palindrome (762181267).

The spelling of 440041223 in words is "four hundred forty million, forty-one thousand, two hundred twenty-three".

Divisors: 1 281 1213 1291 340853 362771 1565983 440041223