Base | Representation |
---|---|
bin | 1001100100001… |
… | …0011111000010 |
3 | 2210111012211122 |
4 | 2121002133002 |
5 | 40232240320 |
6 | 3551512242 |
7 | 664666466 |
oct | 231023702 |
9 | 83435748 |
10 | 40118210 |
11 | 20711450 |
12 | 11528682 |
13 | 84085b2 |
14 | 54844a6 |
15 | 37c6d25 |
hex | 26427c2 |
40118210 has 64 divisors (see below), whose sum is σ = 83545344. Its totient is φ = 13728000.
The previous prime is 40118209. The next prime is 40118219. The reversal of 40118210 is 1281104.
40118210 is nontrivially palindromic in base 7.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (40118219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255452 + ... + 255608.
It is an arithmetic number, because the mean of its divisors is an integer number (1305396).
Almost surely, 240118210 is an apocalyptic number.
40118210 is an abundant number, since it is smaller than the sum of its proper divisors (43427134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40118210 is a wasteful number, since it uses less digits than its factorization.
40118210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299.
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 40118210 is about 6333.8937471353. The cubic root of 40118210 is about 342.3317517718.
Adding to 40118210 its reverse (1281104), we get a palindrome (41399314).
It can be divided in two parts, 4011 and 8210, that added together give a palindrome (12221).
The spelling of 40118210 in words is "forty million, one hundred eighteen thousand, two hundred ten".
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