Base | Representation |
---|---|
bin | 1001000100111… |
… | …1010011011101 |
3 | 2122122100010001 |
4 | 2101033103131 |
5 | 34221323230 |
6 | 3440014301 |
7 | 641422435 |
oct | 221172335 |
9 | 78570101 |
10 | 38073565 |
11 | 1a545262 |
12 | 10901391 |
13 | 7b70a4a |
14 | 50b12c5 |
15 | 35210ca |
hex | 244f4dd |
38073565 has 8 divisors (see below), whose sum is σ = 45768888. Its totient is φ = 30405120.
The previous prime is 38073559. The next prime is 38073569. The reversal of 38073565 is 56537083.
It can be written as a sum of positive squares in 4 ways, for example, as 4826809 + 33246756 = 2197^2 + 5766^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38073565 - 213 = 38065373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38073569) 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, 3456 + ... + 9385.
It is an arithmetic number, because the mean of its divisors is an integer number (5721111).
Almost surely, 238073565 is an apocalyptic number.
It is an amenable number.
38073565 is a deficient number, since it is larger than the sum of its proper divisors (7695323).
38073565 is a wasteful number, since it uses less digits than its factorization.
38073565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13439.
The product of its (nonzero) digits is 75600, while the sum is 37.
The square root of 38073565 is about 6170.3780273173. The cubic root of 38073565 is about 336.4143514628.
The spelling of 38073565 in words is "thirty-eight million, seventy-three thousand, five hundred sixty-five".
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