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814407243 = 31322039479
BaseRepresentation
bin110000100010101…
…101111001001011
32002202110011201020
4300202231321023
53131442012433
6212451323523
726116230066
oct6042557113
92082404636
10814407243
11388791241
121a88b05a3
13cc9587a0
147a2398dd
154b770cb3
hex308ade4b

814407243 has 16 divisors (see below), whose sum is σ = 1170059520. Its totient is φ = 500893344.

The previous prime is 814407233. The next prime is 814407257. The reversal of 814407243 is 342704418.

814407243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 814407243 - 29 = 814406731 is a prime.

It is a super-2 number, since 2×8144072432 = 1326518314901722098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (814407233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81178 + ... + 90656.

It is an arithmetic number, because the mean of its divisors is an integer number (73128720).

Almost surely, 2814407243 is an apocalyptic number.

814407243 is a deficient number, since it is larger than the sum of its proper divisors (355652277).

814407243 is a wasteful number, since it uses less digits than its factorization.

814407243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 814407243 is about 28537.8212728302. The cubic root of 814407243 is about 933.8573525743.

The spelling of 814407243 in words is "eight hundred fourteen million, four hundred seven thousand, two hundred forty-three".

Divisors: 1 3 13 39 2203 6609 9479 28437 28639 85917 123227 369681 20882237 62646711 271469081 814407243