Base | Representation |
---|---|
bin | 111110101100000111101 |
3 | 10212100211200 |
4 | 13311200331 |
5 | 1011213310 |
6 | 112010113 |
7 | 23313636 |
oct | 7654075 |
9 | 3770750 |
10 | 2054205 |
11 | 118339a |
12 | 830939 |
13 | 56c00a |
14 | 3b688d |
15 | 2a89c0 |
hex | 1f583d |
2054205 has 24 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 1085280.
The previous prime is 2054197. The next prime is 2054207. The reversal of 2054205 is 5024502.
It is not a de Polignac number, because 2054205 - 23 = 2054197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2054207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8476 + ... + 8714.
It is an arithmetic number, because the mean of its divisors is an integer number (149760).
22054205 is an apocalyptic number.
2054205 is the 717-th decagonal number.
It is an amenable number.
2054205 is a deficient number, since it is larger than the sum of its proper divisors (1540035).
2054205 is a wasteful number, since it uses less digits than its factorization.
2054205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441 (or 438 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 2054205 is about 1433.2498037676. The cubic root of 2054205 is about 127.1202077593.
Adding to 2054205 its reverse (5024502), we get a palindrome (7078707).
The spelling of 2054205 in words is "two million, fifty-four thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •