Base | Representation |
---|---|
bin | 1001001001000… |
… | …0101011001001 |
3 | 2200010221101221 |
4 | 2102100223021 |
5 | 34303410241 |
6 | 3445442041 |
7 | 643616164 |
oct | 222205311 |
9 | 80127357 |
10 | 38341321 |
11 | 1a708447 |
12 | 10a10321 |
13 | 7c35895 |
14 | 5140adb |
15 | 35755d1 |
hex | 2490ac9 |
38341321 has 4 divisors (see below), whose sum is σ = 38359492. Its totient is φ = 38323152.
The previous prime is 38341301. The next prime is 38341339. The reversal of 38341321 is 12314383.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12314383 = 43 ⋅286381.
It can be written as a sum of positive squares in 2 ways, for example, as 20793600 + 17547721 = 4560^2 + 4189^2 .
It is a cyclic number.
It is not a de Polignac number, because 38341321 - 215 = 38308553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38341301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430 + ... + 10303.
It is an arithmetic number, because the mean of its divisors is an integer number (9589873).
Almost surely, 238341321 is an apocalyptic number.
It is an amenable number.
38341321 is a deficient number, since it is larger than the sum of its proper divisors (18171).
38341321 is a wasteful number, since it uses less digits than its factorization.
38341321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18170.
The product of its digits is 1728, while the sum is 25.
The square root of 38341321 is about 6192.0369023448. The cubic root of 38341321 is about 337.2011320365.
The spelling of 38341321 in words is "thirty-eight million, three hundred forty-one thousand, three hundred twenty-one".
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