Base | Representation |
---|---|
bin | 1001000111100… |
… | …0100001110001 |
3 | 2122221220201211 |
4 | 2101320201301 |
5 | 34242224132 |
6 | 3443400121 |
7 | 643024633 |
oct | 221704161 |
9 | 78856654 |
10 | 38242417 |
11 | 1a650104 |
12 | 10983041 |
13 | 7bcc865 |
14 | 5116a53 |
15 | 3556147 |
hex | 2478871 |
38242417 has 4 divisors (see below), whose sum is σ = 38264436. Its totient is φ = 38220400.
The previous prime is 38242409. The next prime is 38242441. The reversal of 38242417 is 71424283.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71424283 = 7 ⋅10203469.
It can be written as a sum of positive squares in 2 ways, for example, as 5340721 + 32901696 = 2311^2 + 5736^2 .
It is a cyclic number.
It is not a de Polignac number, because 38242417 - 23 = 38242409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38242447) 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 3 ways as a sum of consecutive naturals, for example, 8158 + ... + 11959.
It is an arithmetic number, because the mean of its divisors is an integer number (9566109).
Almost surely, 238242417 is an apocalyptic number.
It is an amenable number.
38242417 is a deficient number, since it is larger than the sum of its proper divisors (22019).
38242417 is a wasteful number, since it uses less digits than its factorization.
38242417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22018.
The product of its digits is 10752, while the sum is 31.
The square root of 38242417 is about 6184.0453588246. The cubic root of 38242417 is about 336.9109380830.
It can be divided in two parts, 3824 and 2417, that added together give a square (6241 = 792).
The spelling of 38242417 in words is "thirty-eight million, two hundred forty-two thousand, four hundred seventeen".
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