Base | Representation |
---|---|
bin | 1001000111101… |
… | …1011110000101 |
3 | 2122222112021012 |
4 | 2101323132011 |
5 | 34243120334 |
6 | 3443532005 |
7 | 643105031 |
oct | 221733605 |
9 | 78875235 |
10 | 38254469 |
11 | 1a659170 |
12 | 1098a005 |
13 | 7c051a6 |
14 | 511b1c1 |
15 | 35599ce |
hex | 247b785 |
38254469 has 4 divisors (see below), whose sum is σ = 41732160. Its totient is φ = 34776780.
The previous prime is 38254459. The next prime is 38254481. The reversal of 38254469 is 96445283.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96445283 = 11 ⋅8767753.
It is a cyclic number.
It is not a de Polignac number, because 38254469 - 24 = 38254453 is a prime.
It is a super-2 number, since 2×382544692 = 2926808796943922, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38254459) 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, 1738829 + ... + 1738850.
It is an arithmetic number, because the mean of its divisors is an integer number (10433040).
Almost surely, 238254469 is an apocalyptic number.
It is an amenable number.
38254469 is a deficient number, since it is larger than the sum of its proper divisors (3477691).
38254469 is a wasteful number, since it uses less digits than its factorization.
38254469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3477690.
The product of its digits is 207360, while the sum is 41.
The square root of 38254469 is about 6185.0197251100. The cubic root of 38254469 is about 336.9463265728.
The spelling of 38254469 in words is "thirty-eight million, two hundred fifty-four thousand, four hundred sixty-nine".
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