Base | Representation |
---|---|
bin | 1001000110010… |
… | …1001001001100 |
3 | 2122210212211012 |
4 | 2101211021030 |
5 | 34232204040 |
6 | 3441544352 |
7 | 642244310 |
oct | 221451114 |
9 | 78725735 |
10 | 38163020 |
11 | 1a5a6495 |
12 | 109450b8 |
13 | 7ba268c |
14 | 50d5b40 |
15 | 353c865 |
hex | 246524c |
38163020 has 48 divisors (see below), whose sum is σ = 96418560. Its totient is φ = 12394944.
The previous prime is 38163017. The next prime is 38163023. The reversal of 38163020 is 2036183.
It is an interprime number because it is at equal distance from previous prime (38163017) and next prime (38163023).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38163023) 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, 4514 + ... + 9833.
It is an arithmetic number, because the mean of its divisors is an integer number (2008720).
Almost surely, 238163020 is an apocalyptic number.
It is an amenable number.
38163020 is an abundant number, since it is smaller than the sum of its proper divisors (58255540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38163020 is a wasteful number, since it uses less digits than its factorization.
38163020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14382 (or 14380 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 38163020 is about 6177.6225200315. The cubic root of 38163020 is about 336.6776173066.
The spelling of 38163020 in words is "thirty-eight million, one hundred sixty-three thousand, twenty".
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