Base | Representation |
---|---|
bin | 1001001011111… |
… | …1111010000001 |
3 | 2200111202210021 |
4 | 2102333322001 |
5 | 34331103120 |
6 | 3453533441 |
7 | 645353212 |
oct | 222777201 |
9 | 80452707 |
10 | 38534785 |
11 | 1a82a833 |
12 | 10aa4281 |
13 | 7ca2963 |
14 | 5191409 |
15 | 35b2aaa |
hex | 24bfe81 |
38534785 has 8 divisors (see below), whose sum is σ = 46276776. Its totient is φ = 30804480.
The previous prime is 38534773. The next prime is 38534791. The reversal of 38534785 is 58743583.
It can be written as a sum of positive squares in 4 ways, for example, as 17631601 + 20903184 = 4199^2 + 4572^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38534785 - 211 = 38532737 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175 + ... + 11995.
It is an arithmetic number, because the mean of its divisors is an integer number (5784597).
Almost surely, 238534785 is an apocalyptic number.
It is an amenable number.
38534785 is a deficient number, since it is larger than the sum of its proper divisors (7741991).
38534785 is a wasteful number, since it uses less digits than its factorization.
38534785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5843.
The product of its digits is 403200, while the sum is 43.
The square root of 38534785 is about 6207.6392453170. The cubic root of 38534785 is about 337.7673345983.
The spelling of 38534785 in words is "thirty-eight million, five hundred thirty-four thousand, seven hundred eighty-five".
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