Base | Representation |
---|---|
bin | 1001000111101… |
… | …1011010100011 |
3 | 2122222111221211 |
4 | 2101323122203 |
5 | 34243113433 |
6 | 3443530551 |
7 | 643104256 |
oct | 221733243 |
9 | 78874854 |
10 | 38254243 |
11 | 1a658a85 |
12 | 10989a57 |
13 | 7c05061 |
14 | 511b09d |
15 | 35598cd |
hex | 247b6a3 |
38254243 has 4 divisors (see below), whose sum is σ = 38902680. Its totient is φ = 37605808.
The previous prime is 38254231. The next prime is 38254273. The reversal of 38254243 is 34245283.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38254243 - 25 = 38254211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38254213) 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, 324130 + ... + 324247.
It is an arithmetic number, because the mean of its divisors is an integer number (9725670).
Almost surely, 238254243 is an apocalyptic number.
38254243 is a deficient number, since it is larger than the sum of its proper divisors (648437).
38254243 is an equidigital number, since it uses as much as digits as its factorization.
38254243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648436.
The product of its digits is 23040, while the sum is 31.
The square root of 38254243 is about 6185.0014551332. The cubic root of 38254243 is about 336.9456630336.
Adding to 38254243 its product of digits (23040), we get a palindrome (38277283).
The spelling of 38254243 in words is "thirty-eight million, two hundred fifty-four thousand, two hundred forty-three".
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