Base | Representation |
---|---|
bin | 11110001011001… |
… | …110101011110101 |
3 | 1022021121200110021 |
4 | 132023032223311 |
5 | 2014100311323 |
6 | 122122525141 |
7 | 15355066204 |
oct | 3613165365 |
9 | 1267550407 |
10 | 506260213 |
11 | 23a852878 |
12 | 1216667b1 |
13 | 80b67674 |
14 | 4b34523b |
15 | 2e6a305d |
hex | 1e2ceaf5 |
506260213 has 4 divisors (see below), whose sum is σ = 511948620. Its totient is φ = 500571808.
The previous prime is 506260211. The next prime is 506260217. The reversal of 506260213 is 312062605.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312062605 = 5 ⋅62412521.
It can be written as a sum of positive squares in 2 ways, for example, as 318515409 + 187744804 = 17847^2 + 13702^2 .
It is a cyclic number.
It is not a de Polignac number, because 506260213 - 21 = 506260211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (506260211) 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, 2844070 + ... + 2844247.
It is an arithmetic number, because the mean of its divisors is an integer number (127987155).
Almost surely, 2506260213 is an apocalyptic number.
It is an amenable number.
506260213 is a deficient number, since it is larger than the sum of its proper divisors (5688407).
506260213 is an equidigital number, since it uses as much as digits as its factorization.
506260213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5688406.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 506260213 is about 22500.2269544109. The cubic root of 506260213 is about 796.9992863235. Note that the first 3 decimals are identical.
The spelling of 506260213 in words is "five hundred six million, two hundred sixty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •