Base | Representation |
---|---|
bin | 11000011100010… |
… | …00111011111101 |
3 | 112021210202200201 |
4 | 30032020323331 |
5 | 404442030323 |
6 | 32202323501 |
7 | 5036516320 |
oct | 1416107375 |
9 | 467722621 |
10 | 205033213 |
11 | a5810540 |
12 | 587b9591 |
13 | 3362a238 |
14 | 1d3327b7 |
15 | 130008ad |
hex | c388efd |
205033213 has 8 divisors (see below), whose sum is σ = 255625920. Its totient is φ = 159766080.
The previous prime is 205033211. The next prime is 205033229. The reversal of 205033213 is 312330502.
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 205033213 - 21 = 205033211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205033211) 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, 1331308 + ... + 1331461.
It is an arithmetic number, because the mean of its divisors is an integer number (31953240).
Almost surely, 2205033213 is an apocalyptic number.
It is an amenable number.
205033213 is a deficient number, since it is larger than the sum of its proper divisors (50592707).
205033213 is a wasteful number, since it uses less digits than its factorization.
205033213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2662787.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 205033213 is about 14318.9808645727. The cubic root of 205033213 is about 589.6686955439.
Adding to 205033213 its reverse (312330502), we get a palindrome (517363715).
It can be divided in two parts, 20503 and 3213, that added together give a square (23716 = 1542).
The spelling of 205033213 in words is "two hundred five million, thirty-three thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •