Base | Representation |
---|---|
bin | 1001001101111… |
… | …0101011100110 |
3 | 2200202011200220 |
4 | 2103132223212 |
5 | 34344121323 |
6 | 3500345210 |
7 | 646416546 |
oct | 223365346 |
9 | 80664626 |
10 | 38660838 |
11 | 1a906507 |
12 | 10b45206 |
13 | 8018148 |
14 | 51c5326 |
15 | 35da0e3 |
hex | 24deae6 |
38660838 has 32 divisors (see below), whose sum is σ = 80994816. Its totient is φ = 12279168.
The previous prime is 38660833. The next prime is 38660863. The reversal of 38660838 is 83806683.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 38660838.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38660833) 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, 59431 + ... + 60077.
It is an arithmetic number, because the mean of its divisors is an integer number (2531088).
Almost surely, 238660838 is an apocalyptic number.
38660838 is an abundant number, since it is smaller than the sum of its proper divisors (42333978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38660838 is a wasteful number, since it uses less digits than its factorization.
38660838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1108.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 38660838 is about 6217.7840104011. The cubic root of 38660838 is about 338.1352294344.
The spelling of 38660838 in words is "thirty-eight million, six hundred sixty thousand, eight hundred thirty-eight".
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