Base | Representation |
---|---|
bin | 1001000111110… |
… | …0010010001000 |
3 | 2122222200211120 |
4 | 2101330102020 |
5 | 34243222200 |
6 | 3443555240 |
7 | 643120530 |
oct | 221742210 |
9 | 78880746 |
10 | 38257800 |
11 | 1a660719 |
12 | 1098bb20 |
13 | 7c06869 |
14 | 511c4c0 |
15 | 355a9a0 |
hex | 247c488 |
38257800 has 96 divisors (see below), whose sum is σ = 135556800. Its totient is φ = 8743680.
The previous prime is 38257799. The next prime is 38257819. The reversal of 38257800 is 875283.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355 + ... + 8754.
It is an arithmetic number, because the mean of its divisors is an integer number (1412050).
Almost surely, 238257800 is an apocalyptic number.
38257800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38257800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67778400).
38257800 is an abundant number, since it is smaller than the sum of its proper divisors (97299000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38257800 is a wasteful number, since it uses less digits than its factorization.
38257800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9135 (or 9126 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 38257800 is about 6185.2889989070. The cubic root of 38257800 is about 336.9561061329.
The spelling of 38257800 in words is "thirty-eight million, two hundred fifty-seven thousand, eight hundred".
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