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2444405405 = 513265914143
BaseRepresentation
bin1001000110110010…
…1010101010011101
320022100120122211112
42101230222222131
520001231433110
61042320031405
7114401050241
oct22154525235
96270518745
102444405405
111044891a62
12582762565
132cc565740
141928dc421
15e48e8405
hex91b2aa9d

2444405405 has 16 divisors (see below), whose sum is σ = 3160335360. Its totient is φ = 1804292928.

The previous prime is 2444405399. The next prime is 2444405419. The reversal of 2444405405 is 5045044442.

2444405405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2444405405 - 214 = 2444389021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165764 + ... + 179906.

It is an arithmetic number, because the mean of its divisors is an integer number (197520960).

Almost surely, 22444405405 is an apocalyptic number.

It is an amenable number.

2444405405 is a deficient number, since it is larger than the sum of its proper divisors (715929955).

2444405405 is a wasteful number, since it uses less digits than its factorization.

2444405405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16820.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 2444405405 is about 49440.9284399070. The cubic root of 2444405405 is about 1347.0728355738.

Adding to 2444405405 its reverse (5045044442), we get a palindrome (7489449847).

The spelling of 2444405405 in words is "two billion, four hundred forty-four million, four hundred five thousand, four hundred five".

Divisors: 1 5 13 65 2659 13295 14143 34567 70715 172835 183859 919295 37606237 188031185 488881081 2444405405