Base | Representation |
---|---|
bin | 1001000101110… |
… | …0101100111001 |
3 | 2122202010101111 |
4 | 2101130230321 |
5 | 34230102231 |
6 | 3441120321 |
7 | 642041431 |
oct | 221345471 |
9 | 78663344 |
10 | 38128441 |
11 | 1a58250a |
12 | 109290a1 |
13 | 7b8ca10 |
14 | 50c72c1 |
15 | 35324b1 |
hex | 245cb39 |
38128441 has 4 divisors (see below), whose sum is σ = 41061412. Its totient is φ = 35195472.
The previous prime is 38128439. The next prime is 38128499. The reversal of 38128441 is 14482183.
38128441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14482183 = 739 ⋅19597.
It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 35581225 = 1596^2 + 5965^2 .
It is not a de Polignac number, because 38128441 - 21 = 38128439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38128141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466466 + ... + 1466491.
It is an arithmetic number, because the mean of its divisors is an integer number (10265353).
Almost surely, 238128441 is an apocalyptic number.
It is an amenable number.
38128441 is a deficient number, since it is larger than the sum of its proper divisors (2932971).
38128441 is a wasteful number, since it uses less digits than its factorization.
38128441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2932970.
The product of its digits is 6144, while the sum is 31.
The square root of 38128441 is about 6174.8231553624. The cubic root of 38128441 is about 336.5759002227.
The spelling of 38128441 in words is "thirty-eight million, one hundred twenty-eight thousand, four hundred forty-one".
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