Base | Representation |
---|---|
bin | 1110101100010… |
… | …00001100000001 |
3 | 22120220022011112 |
4 | 13112020030001 |
5 | 223022204332 |
6 | 20121253105 |
7 | 3024350561 |
oct | 726101401 |
9 | 276808145 |
10 | 123241217 |
11 | 63625a50 |
12 | 35334195 |
13 | 1c6c02c8 |
14 | 12520da1 |
15 | ac45db2 |
hex | 7588301 |
123241217 has 8 divisors (see below), whose sum is σ = 135337152. Its totient is φ = 111294000.
The previous prime is 123241189. The next prime is 123241219. The reversal of 123241217 is 712142321.
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 123241217 - 28 = 123240961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123241192 and 123241201.
It is not an unprimeable number, because it can be changed into a prime (123241219) 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, 35438 + ... + 38759.
It is an arithmetic number, because the mean of its divisors is an integer number (16917144).
Almost surely, 2123241217 is an apocalyptic number.
It is an amenable number.
123241217 is a deficient number, since it is larger than the sum of its proper divisors (12095935).
123241217 is a wasteful number, since it uses less digits than its factorization.
123241217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74359.
The product of its digits is 672, while the sum is 23.
The square root of 123241217 is about 11101.4060821141. The cubic root of 123241217 is about 497.6438707495.
Adding to 123241217 its reverse (712142321), we get a palindrome (835383538).
The spelling of 123241217 in words is "one hundred twenty-three million, two hundred forty-one thousand, two hundred seventeen".
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