Base | Representation |
---|---|
bin | 101010111100… |
… | …1100100011001 |
3 | 1120101000221112 |
4 | 1111321210121 |
5 | 21231034131 |
6 | 2122350105 |
7 | 362254160 |
oct | 125714431 |
9 | 46330845 |
10 | 22518041 |
11 | 11790157 |
12 | 765b335 |
13 | 48855b0 |
14 | 2dc23d7 |
15 | 1e9c02b |
hex | 1579919 |
22518041 has 8 divisors (see below), whose sum is σ = 27714624. Its totient is φ = 17816400.
The previous prime is 22518017. The next prime is 22518049. The reversal of 22518041 is 14081522.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22518041 - 210 = 22517017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22517998 and 22518016.
It is not an unprimeable number, because it can be changed into a prime (22518049) 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, 123635 + ... + 123816.
It is an arithmetic number, because the mean of its divisors is an integer number (3464328).
Almost surely, 222518041 is an apocalyptic number.
It is an amenable number.
22518041 is a deficient number, since it is larger than the sum of its proper divisors (5196583).
22518041 is a wasteful number, since it uses less digits than its factorization.
22518041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247471.
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 22518041 is about 4745.3177975769. The cubic root of 22518041 is about 282.3862428663.
Adding to 22518041 its reverse (14081522), we get a palindrome (36599563).
The spelling of 22518041 in words is "twenty-two million, five hundred eighteen thousand, forty-one".
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