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440505043 = 1147338461
BaseRepresentation
bin11010010000011…
…001001011010011
31010200212222022121
4122100121023103
51400232130133
6111413315111
713626142156
oct3220311323
91120788277
10440505043
11206720a60
12103635a97
1370353c94
1442709c9d
1528a1502d
hex1a4192d3

440505043 has 8 divisors (see below), whose sum is σ = 480709296. Its totient is φ = 400327200.

The previous prime is 440505031. The next prime is 440505083. The reversal of 440505043 is 340505044.

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 440505043 - 25 = 440505011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440504999 and 440505017.

It is not an unprimeable number, because it can be changed into a prime (440505083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47833 + ... + 56293.

It is an arithmetic number, because the mean of its divisors is an integer number (60088662).

Almost surely, 2440505043 is an apocalyptic number.

440505043 is a deficient number, since it is larger than the sum of its proper divisors (40204253).

440505043 is a wasteful number, since it uses less digits than its factorization.

440505043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 440505043 is about 20988.2120010257. The cubic root of 440505043 is about 760.8813891416.

Subtracting from 440505043 its reverse (340505044), we obtain a palindrome (99999999).

The spelling of 440505043 in words is "four hundred forty million, five hundred five thousand, forty-three".

Divisors: 1 11 4733 8461 52063 93071 40045913 440505043