Search a number
-
+
512568113 = 7311362137
BaseRepresentation
bin11110100011010…
…010101100110001
31022201111011021012
4132203102230301
52022204134423
6122510040305
715462520451
oct3643225461
91281434235
10512568113
11243371012
121237a9095
1382265855
144c107d61
152eeec078
hex1e8d2b31

512568113 has 8 divisors (see below), whose sum is σ = 524196168. Its totient is φ = 501064704.

The previous prime is 512568109. The next prime is 512568131. The reversal of 512568113 is 311865215.

It can be written as a sum of positive squares in 4 ways, for example, as 41113744 + 471454369 = 6412^2 + 21713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512568113 - 22 = 512568109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512568113.

It is not an unprimeable number, because it can be changed into a prime (512568103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22820 + ... + 39317.

It is an arithmetic number, because the mean of its divisors is an integer number (65524521).

Almost surely, 2512568113 is an apocalyptic number.

It is an amenable number.

512568113 is a deficient number, since it is larger than the sum of its proper divisors (11628055).

512568113 is a wasteful number, since it uses less digits than its factorization.

512568113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62323.

The product of its digits is 7200, while the sum is 32.

The square root of 512568113 is about 22639.9671598702. The cubic root of 512568113 is about 800.2957828147.

The spelling of 512568113 in words is "five hundred twelve million, five hundred sixty-eight thousand, one hundred thirteen".

Divisors: 1 73 113 8249 62137 4536001 7021481 512568113