Base | Representation |
---|---|
bin | 1001000101110… |
… | …0111000001110 |
3 | 2122202011101100 |
4 | 2101130320032 |
5 | 34230113131 |
6 | 3441123530 |
7 | 642043515 |
oct | 221347016 |
9 | 78664340 |
10 | 38129166 |
11 | 1a583009 |
12 | 109295a6 |
13 | 7b9014a |
14 | 50c767c |
15 | 35327e6 |
hex | 245ce0e |
38129166 has 24 divisors (see below), whose sum is σ = 84847464. Its totient is φ = 12366000.
The previous prime is 38129137. The next prime is 38129167. The reversal of 38129166 is 66192183.
It is a self number, because there is not a number n which added to its sum of digits gives 38129166.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38129167) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27960 + ... + 29291.
It is an arithmetic number, because the mean of its divisors is an integer number (3535311).
Almost surely, 238129166 is an apocalyptic number.
38129166 is an abundant number, since it is smaller than the sum of its proper divisors (46718298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38129166 is a wasteful number, since it uses less digits than its factorization.
38129166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57296 (or 57293 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 38129166 is about 6174.8818612181. The cubic root of 38129166 is about 336.5780335033.
The spelling of 38129166 in words is "thirty-eight million, one hundred twenty-nine thousand, one hundred sixty-six".
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