Base | Representation |
---|---|
bin | 1001000111111… |
… | …0011100101100 |
3 | 2200000011000000 |
4 | 2101332130230 |
5 | 34244013133 |
6 | 3444104300 |
7 | 643155426 |
oct | 221763454 |
9 | 80004000 |
10 | 38266668 |
11 | 1a667350 |
12 | 10995090 |
13 | 7c0a8cb |
14 | 5121816 |
15 | 355d413 |
hex | 247e72c |
38266668 has 84 divisors (see below), whose sum is σ = 109623528. Its totient is φ = 11586240.
The previous prime is 38266667. The next prime is 38266681. The reversal of 38266668 is 86666283.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (38266661) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31480 + ... + 32672.
It is an arithmetic number, because the mean of its divisors is an integer number (1305042).
Almost surely, 238266668 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 38266668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54811764).
38266668 is an abundant number, since it is smaller than the sum of its proper divisors (71356860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38266668 is a wasteful number, since it uses less digits than its factorization.
38266668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226 (or 1209 counting only the distinct ones).
The product of its digits is 497664, while the sum is 45.
The square root of 38266668 is about 6186.0058195899. The cubic root of 38266668 is about 336.9821391327.
The spelling of 38266668 in words is "thirty-eight million, two hundred sixty-six thousand, six hundred sixty-eight".
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