Base | Representation |
---|---|
bin | 1001001100001… |
… | …0100011110000 |
3 | 2200112022200121 |
4 | 2103002203300 |
5 | 34331430043 |
6 | 3454100024 |
7 | 645426661 |
oct | 223024360 |
9 | 80468617 |
10 | 38545648 |
11 | 1a837a09 |
12 | 10aaa614 |
13 | 7ca789b |
14 | 5195368 |
15 | 35b5ded |
hex | 24c28f0 |
38545648 has 20 divisors (see below), whose sum is σ = 77092288. Its totient is φ = 18650880.
The previous prime is 38545603. The next prime is 38545649. The reversal of 38545648 is 84654583.
38545648 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38545649) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38361 + ... + 39352.
Almost surely, 238545648 is an apocalyptic number.
It is an amenable number.
38545648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38545648 is a wasteful number, since it uses less digits than its factorization.
38545648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77752 (or 77746 counting only the distinct ones).
The product of its digits is 460800, while the sum is 43.
The square root of 38545648 is about 6208.5141539663. The cubic root of 38545648 is about 337.7990706158.
It can be divided in two parts, 38545 and 648, that added together give a palindrome (39193).
The spelling of 38545648 in words is "thirty-eight million, five hundred forty-five thousand, six hundred forty-eight".
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