Search a number
-
+
525413013 = 3899720287
BaseRepresentation
bin11111010100010…
…010101010010101
31100121122202011020
4133110102222111
52034001204023
6124045231353
716006636236
oct3724225225
91317582136
10525413013
1124a644634
12127b62559
1384b12298
144dacd08d
15311d7de3
hex1f512a95

525413013 has 16 divisors (see below), whose sum is σ = 715760640. Its totient is φ = 342752256.

The previous prime is 525413003. The next prime is 525413051. The reversal of 525413013 is 310314525.

It is not a de Polignac number, because 525413013 - 24 = 525412997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525413003) 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, 15756 + ... + 36042.

It is an arithmetic number, because the mean of its divisors is an integer number (44735040).

Almost surely, 2525413013 is an apocalyptic number.

It is an amenable number.

525413013 is a deficient number, since it is larger than the sum of its proper divisors (190347627).

525413013 is a wasteful number, since it uses less digits than its factorization.

525413013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 525413013 is about 22921.8893854761. The cubic root of 525413013 is about 806.9258126440.

Adding to 525413013 its reverse (310314525), we get a palindrome (835727538).

The spelling of 525413013 in words is "five hundred twenty-five million, four hundred thirteen thousand, thirteen".

Divisors: 1 3 89 97 267 291 8633 20287 25899 60861 1805543 1967839 5416629 5903517 175137671 525413013