Base | Representation |
---|---|
bin | 1001000100100… |
… | …0010010001001 |
3 | 2122120212200000 |
4 | 2101020102021 |
5 | 34214413214 |
6 | 3435233213 |
7 | 641242545 |
oct | 221102211 |
9 | 78525600 |
10 | 38044809 |
11 | 1a5256a0 |
12 | 108a8809 |
13 | 7b6092a |
14 | 50a4a25 |
15 | 3517809 |
hex | 2448489 |
38044809 has 48 divisors (see below), whose sum is σ = 63807744. Its totient is φ = 22453200.
The previous prime is 38044807. The next prime is 38044817. The reversal of 38044809 is 90844083.
38044809 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 38044809 - 21 = 38044807 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38044807) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114774 + ... + 115104.
It is an arithmetic number, because the mean of its divisors is an integer number (1329328).
Almost surely, 238044809 is an apocalyptic number.
It is an amenable number.
38044809 is a deficient number, since it is larger than the sum of its proper divisors (25762935).
38044809 is a wasteful number, since it uses less digits than its factorization.
38044809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400 (or 388 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 38044809 is about 6168.0474219967. The cubic root of 38044809 is about 336.3296350495.
The spelling of 38044809 in words is "thirty-eight million, forty-four thousand, eight hundred nine".
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