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814544444 = 22724155839
BaseRepresentation
bin110000100011001…
…111011000111100
32002202201010220202
4300203033120330
53132010410234
6212454303032
726120341100
oct6043173074
92082633822
10814544444
1138887532a
121a8957a78
13cc9a607c
147a273900
154b79b77e
hex308cf63c

814544444 has 18 divisors (see below), whose sum is σ = 1658180160. Its totient is φ = 349090392.

The previous prime is 814544441. The next prime is 814544473. The reversal of 814544444 is 444445418.

814544444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 814544398 and 814544407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814544441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2077724 + ... + 2078115.

It is an arithmetic number, because the mean of its divisors is an integer number (92121120).

Almost surely, 2814544444 is an apocalyptic number.

It is an amenable number.

814544444 is an abundant number, since it is smaller than the sum of its proper divisors (843635716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814544444 is a wasteful number, since it uses less digits than its factorization.

814544444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155857 (or 4155848 counting only the distinct ones).

The product of its digits is 163840, while the sum is 38.

The square root of 814544444 is about 28540.2250166322. The cubic root of 814544444 is about 933.9097911094.

The spelling of 814544444 in words is "eight hundred fourteen million, five hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 4155839 8311678 16623356 29090873 58181746 116363492 203636111 407272222 814544444