Base | Representation |
---|---|
bin | 1001010001110… |
… | …0101010011101 |
3 | 2201020001221211 |
4 | 2110130222131 |
5 | 34430232332 |
6 | 3510024421 |
7 | 651524662 |
oct | 224345235 |
9 | 81201854 |
10 | 38914717 |
11 | 1aa6a226 |
12 | 11048111 |
13 | 80a687a |
14 | 524da69 |
15 | 363a447 |
hex | 251ca9d |
38914717 has 18 divisors (see below), whose sum is σ = 43745658. Its totient is φ = 34604928.
The previous prime is 38914691. The next prime is 38914721. The reversal of 38914717 is 71741983.
38914717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 16532356 + 22382361 = 4066^2 + 4731^2 .
It is not a de Polignac number, because 38914717 - 223 = 30526109 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38914717.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38914747) 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 17 ways as a sum of consecutive naturals, for example, 104143 + ... + 104515.
Almost surely, 238914717 is an apocalyptic number.
It is an amenable number.
38914717 is a deficient number, since it is larger than the sum of its proper divisors (4830941).
38914717 is a wasteful number, since it uses less digits than its factorization.
38914717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445 (or 409 counting only the distinct ones).
The product of its digits is 42336, while the sum is 40.
The square root of 38914717 is about 6238.1661568124. The cubic root of 38914717 is about 338.8737735721.
The spelling of 38914717 in words is "thirty-eight million, nine hundred fourteen thousand, seven hundred seventeen".
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