Base | Representation |
---|---|
bin | 1001010000001… |
… | …0000111111000 |
3 | 2201000112211120 |
4 | 2110002013320 |
5 | 34413243013 |
6 | 3503425240 |
7 | 650563023 |
oct | 224020770 |
9 | 81015746 |
10 | 38806008 |
11 | 1a9a558a |
12 | 10bb5220 |
13 | 8069247 |
14 | 52221ba |
15 | 3618123 |
hex | 25021f8 |
38806008 has 64 divisors (see below), whose sum is σ = 100548000. Its totient is φ = 12472320.
The previous prime is 38806003. The next prime is 38806013. The reversal of 38806008 is 80060883.
It is an interprime number because it is at equal distance from previous prime (38806003) and next prime (38806013).
It is a self number, because there is not a number n which added to its sum of digits gives 38806008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38806003) 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, 111018 + ... + 111366.
Almost surely, 238806008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38806008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50274000).
38806008 is an abundant number, since it is smaller than the sum of its proper divisors (61741992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38806008 is a wasteful number, since it uses less digits than its factorization.
38806008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512 (or 508 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 38806008 is about 6229.4468454270. The cubic root of 38806008 is about 338.5579291790.
The spelling of 38806008 in words is "thirty-eight million, eight hundred six thousand, eight".
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