Base | Representation |
---|---|
bin | 1001000011111… |
… | …1001101101111 |
3 | 2122111222201020 |
4 | 2100333031233 |
5 | 34212221123 |
6 | 3434345223 |
7 | 641026341 |
oct | 220771557 |
9 | 78458636 |
10 | 38007663 |
11 | 1a4aa7a1 |
12 | 1088b213 |
13 | 7b49a55 |
14 | 5095291 |
15 | 350b7e3 |
hex | 243f36f |
38007663 has 16 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 24940160.
The previous prime is 38007617. The next prime is 38007677. The reversal of 38007663 is 36670083.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 38007663 - 216 = 37942127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38007763) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64456 + ... + 65042.
It is an arithmetic number, because the mean of its divisors is an integer number (3217536).
Almost surely, 238007663 is an apocalyptic number.
38007663 is a deficient number, since it is larger than the sum of its proper divisors (13472913).
38007663 is a wasteful number, since it uses less digits than its factorization.
38007663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894.
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 38007663 is about 6165.0355230120. The cubic root of 38007663 is about 336.2201381237.
The spelling of 38007663 in words is "thirty-eight million, seven thousand, six hundred sixty-three".
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