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512225113 = 17611812729
BaseRepresentation
bin11110100001111…
…110111101011001
31022200211201202111
4132201332331121
52022112200423
6122454432321
715456561451
oct3641767531
91280751674
10512225113
11243157344
121236626a1
13821756aa
144c058d61
152ee8060d
hex1e87ef59

512225113 has 16 divisors (see below), whose sum is σ = 554495760. Its totient is φ = 471398400.

The previous prime is 512225101. The next prime is 512225141. The reversal of 512225113 is 311522215.

It can be written as a sum of positive squares in 8 ways, for example, as 19740249 + 492484864 = 4443^2 + 22192^2 .

It is a cyclic number.

It is not a de Polignac number, because 512225113 - 213 = 512216921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186333 + ... + 189061.

It is an arithmetic number, because the mean of its divisors is an integer number (34655985).

Almost surely, 2512225113 is an apocalyptic number.

It is an amenable number.

512225113 is a deficient number, since it is larger than the sum of its proper divisors (42270647).

512225113 is a wasteful number, since it uses less digits than its factorization.

512225113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988.

The product of its digits is 600, while the sum is 22.

The square root of 512225113 is about 22632.3907928438. The cubic root of 512225113 is about 800.1172291750.

Adding to 512225113 its reverse (311522215), we get a palindrome (823747328).

It can be divided in two parts, 512 and 225113, that added together give a square (225625 = 4752).

The spelling of 512225113 in words is "five hundred twelve million, two hundred twenty-five thousand, one hundred thirteen".

Divisors: 1 17 61 181 1037 2729 3077 11041 46393 166469 187697 493949 2829973 8397133 30130889 512225113