Base | Representation |
---|---|
bin | 1001001011100… |
… | …0100101111110 |
3 | 2200110020200211 |
4 | 2102320211332 |
5 | 34324123310 |
6 | 3453143034 |
7 | 645166660 |
oct | 222704576 |
9 | 80406624 |
10 | 38504830 |
11 | 1a80a281 |
12 | 10a8aa7a |
13 | 7c92130 |
14 | 5184530 |
15 | 35a8c8a |
hex | 24b897e |
38504830 has 128 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 10782720.
The previous prime is 38504819. The next prime is 38504831. The reversal of 38504830 is 3840583.
It is a junction number, because it is equal to n+sod(n) for n = 38504792 and 38504801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38504831) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293865 + ... + 293995.
It is an arithmetic number, because the mean of its divisors is an integer number (748440).
Almost surely, 238504830 is an apocalyptic number.
38504830 is an abundant number, since it is smaller than the sum of its proper divisors (57295490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38504830 is a wasteful number, since it uses less digits than its factorization.
38504830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 38504830 is about 6205.2260232807. The cubic root of 38504830 is about 337.6797908087.
The spelling of 38504830 in words is "thirty-eight million, five hundred four thousand, eight hundred thirty".
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