Base | Representation |
---|---|
bin | 1001000111011… |
… | …1110111111101 |
3 | 2122221210001201 |
4 | 2101313313331 |
5 | 34242132431 |
6 | 3443335501 |
7 | 643014061 |
oct | 221676775 |
9 | 78853051 |
10 | 38239741 |
11 | 1a6490a1 |
12 | 10981591 |
13 | 7bcb587 |
14 | 5115aa1 |
15 | 3555461 |
hex | 2477dfd |
38239741 has 8 divisors (see below), whose sum is σ = 39063968. Its totient is φ = 37422000.
The previous prime is 38239703. The next prime is 38239763. The reversal of 38239741 is 14793283.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 3-Lehmer number, since φ(38239741) divides (38239741-1)3.
It is a cyclic number.
It is not a de Polignac number, because 38239741 - 213 = 38231549 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38239741.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38239441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11386 + ... + 14356.
It is an arithmetic number, because the mean of its divisors is an integer number (4882996).
It is a Poulet number, since it divides 238239740-1.
Almost surely, 238239741 is an apocalyptic number.
It is an amenable number.
38239741 is a deficient number, since it is larger than the sum of its proper divisors (824227).
38239741 is a wasteful number, since it uses less digits than its factorization.
38239741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3243.
The product of its digits is 36288, while the sum is 37.
The square root of 38239741 is about 6183.8289918141. The cubic root of 38239741 is about 336.9030794906.
The spelling of 38239741 in words is "thirty-eight million, two hundred thirty-nine thousand, seven hundred forty-one".
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