Base | Representation |
---|---|
bin | 11111010011100… |
… | …110111101011101 |
3 | 1100121022122121121 |
4 | 133103212331131 |
5 | 2033424442023 |
6 | 124041330541 |
7 | 16005262333 |
oct | 3723467535 |
9 | 1317278547 |
10 | 525234013 |
11 | 24a5320a7 |
12 | 127a96a51 |
13 | 84a7b975 |
14 | 4da83b53 |
15 | 3119ed5d |
hex | 1f4e6f5d |
525234013 has 2 divisors, whose sum is σ = 525234014. Its totient is φ = 525234012.
The previous prime is 525234011. The next prime is 525234019. The reversal of 525234013 is 310432525.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 426092164 + 99141849 = 20642^2 + 9957^2 .
It is a cyclic number.
It is not a de Polignac number, because 525234013 - 21 = 525234011 is a prime.
Together with 525234011, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (525234011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262617006 + 262617007.
It is an arithmetic number, because the mean of its divisors is an integer number (262617007).
Almost surely, 2525234013 is an apocalyptic number.
It is an amenable number.
525234013 is a deficient number, since it is larger than the sum of its proper divisors (1).
525234013 is an equidigital number, since it uses as much as digits as its factorization.
525234013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 525234013 is about 22917.9844881700. The cubic root of 525234013 is about 806.8341665657.
Adding to 525234013 its reverse (310432525), we get a palindrome (835666538).
The spelling of 525234013 in words is "five hundred twenty-five million, two hundred thirty-four thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •