Base | Representation |
---|---|
bin | 1001100110010… |
… | …1001001101101 |
3 | 2210202102121201 |
4 | 2121211021231 |
5 | 40301311310 |
6 | 3554525501 |
7 | 666130456 |
oct | 231451155 |
9 | 83672551 |
10 | 40260205 |
11 | 207a90a7 |
12 | 11596891 |
13 | 845810b |
14 | 54c012d |
15 | 3803e3a |
hex | 266526d |
40260205 has 8 divisors (see below), whose sum is σ = 48740472. Its totient is φ = 31922688.
The previous prime is 40260203. The next prime is 40260223. The reversal of 40260205 is 50206204.
40260205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1247689 + 39012516 = 1117^2 + 6246^2 .
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 40260205 - 21 = 40260203 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 (40260203) 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 7 ways as a sum of consecutive naturals, for example, 35064 + ... + 36193.
It is an arithmetic number, because the mean of its divisors is an integer number (6092559).
Almost surely, 240260205 is an apocalyptic number.
It is an amenable number.
40260205 is a deficient number, since it is larger than the sum of its proper divisors (8480267).
40260205 is a wasteful number, since it uses less digits than its factorization.
40260205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71375.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 40260205 is about 6345.0929859223. The cubic root of 40260205 is about 342.7351609301.
Adding to 40260205 its reverse (50206204), we get a palindrome (90466409).
The spelling of 40260205 in words is "forty million, two hundred sixty thousand, two hundred five".
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