Base | Representation |
---|---|
bin | 1001000101000… |
… | …1000000110001 |
3 | 2122122200201011 |
4 | 2101101000301 |
5 | 34222034221 |
6 | 3440110521 |
7 | 641452021 |
oct | 221210061 |
9 | 78580634 |
10 | 38080561 |
11 | 1a54a542 |
12 | 10905441 |
13 | 7b73c9c |
14 | 50b3a81 |
15 | 35231e1 |
hex | 2451031 |
38080561 has 8 divisors (see below), whose sum is σ = 40401504. Its totient is φ = 35768640.
The previous prime is 38080543. The next prime is 38080577. The reversal of 38080561 is 16508083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38080561 - 213 = 38072369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38080501) 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, 7746 + ... + 11668.
It is an arithmetic number, because the mean of its divisors is an integer number (5050188).
Almost surely, 238080561 is an apocalyptic number.
It is an amenable number.
38080561 is a deficient number, since it is larger than the sum of its proper divisors (2320943).
38080561 is a wasteful number, since it uses less digits than its factorization.
38080561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4511.
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 38080561 is about 6170.9449033353. The cubic root of 38080561 is about 336.4349555281.
The spelling of 38080561 in words is "thirty-eight million, eighty thousand, five hundred sixty-one".
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