Base | Representation |
---|---|
bin | 11001111001011… |
… | …01010111010001 |
3 | 120010202222200111 |
4 | 30330231113101 |
5 | 421103203131 |
6 | 33320121321 |
7 | 5245342543 |
oct | 1474552721 |
9 | 503688614 |
10 | 217241041 |
11 | 101699456 |
12 | 60906241 |
13 | 360129c4 |
14 | 20bcd693 |
15 | 14112ab1 |
hex | cf2d5d1 |
217241041 has 8 divisors (see below), whose sum is σ = 229461120. Its totient is φ = 205099632.
The previous prime is 217240999. The next prime is 217241053. The reversal of 217241041 is 140142712.
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 217241041 - 27 = 217240913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (217241071) 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, 13945 + ... + 25078.
It is an arithmetic number, because the mean of its divisors is an integer number (28682640).
Almost surely, 2217241041 is an apocalyptic number.
It is an amenable number.
217241041 is a deficient number, since it is larger than the sum of its proper divisors (12220079).
217241041 is a wasteful number, since it uses less digits than its factorization.
217241041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39335.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 217241041 is about 14739.0990565909. The cubic root of 217241041 is about 601.1469182709.
Adding to 217241041 its reverse (140142712), we get a palindrome (357383753).
The spelling of 217241041 in words is "two hundred seventeen million, two hundred forty-one thousand, forty-one".
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