Base | Representation |
---|---|
bin | 1001001110111… |
… | …0000100010000 |
3 | 2200212101010220 |
4 | 2103232010100 |
5 | 34403130411 |
6 | 3501553040 |
7 | 650101353 |
oct | 223560420 |
9 | 80771126 |
10 | 38723856 |
11 | 1a949896 |
12 | 10b75780 |
13 | 803aa32 |
14 | 520029a |
15 | 35edb06 |
hex | 24ee110 |
38723856 has 40 divisors (see below), whose sum is σ = 101538144. Its totient is φ = 12714240.
The previous prime is 38723851. The next prime is 38723869. The reversal of 38723856 is 65832783.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (38723851) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 9236.
Almost surely, 238723856 is an apocalyptic number.
It is an amenable number.
38723856 is an abundant number, since it is smaller than the sum of its proper divisors (62814288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38723856 is a wasteful number, since it uses less digits than its factorization.
38723856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12119 (or 12113 counting only the distinct ones).
The product of its digits is 241920, while the sum is 42.
The square root of 38723856 is about 6222.8495080630. The cubic root of 38723856 is about 338.3188522737.
The spelling of 38723856 in words is "thirty-eight million, seven hundred twenty-three thousand, eight hundred fifty-six".
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