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512113241 = 4211216421
BaseRepresentation
bin11110100001100…
…011101001011001
31022200122001022002
4132201203221121
52022100110431
6122452210345
715455614343
oct3641435131
91280561262
10512113241
11243090292
121236099b5
13821367b3
144c02a293
152ee5c3cb
hex1e863a59

512113241 has 4 divisors (see below), whose sum is σ = 513330084. Its totient is φ = 510896400.

The previous prime is 512113223. The next prime is 512113339. The reversal of 512113241 is 142311215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142311215 = 528462243.

It can be written as a sum of positive squares in 2 ways, for example, as 108264025 + 403849216 = 10405^2 + 20096^2 .

It is a cyclic number.

It is not a de Polignac number, because 512113241 - 214 = 512096857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512133241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607790 + ... + 608631.

It is an arithmetic number, because the mean of its divisors is an integer number (128332521).

Almost surely, 2512113241 is an apocalyptic number.

It is an amenable number.

512113241 is a deficient number, since it is larger than the sum of its proper divisors (1216843).

512113241 is a wasteful number, since it uses less digits than its factorization.

512113241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216842.

The product of its digits is 240, while the sum is 20.

The square root of 512113241 is about 22629.9191558432. The cubic root of 512113241 is about 800.0589753398.

Adding to 512113241 its reverse (142311215), we get a palindrome (654424456).

The spelling of 512113241 in words is "five hundred twelve million, one hundred thirteen thousand, two hundred forty-one".

Divisors: 1 421 1216421 512113241