Base | Representation |
---|---|
bin | 1001000101101… |
… | …1011100000111 |
3 | 2122201212022000 |
4 | 2101123130013 |
5 | 34224421041 |
6 | 3441040343 |
7 | 642020364 |
oct | 221333407 |
9 | 78655260 |
10 | 38123271 |
11 | 1a57963a |
12 | 109260b3 |
13 | 7b8a564 |
14 | 50c546b |
15 | 3530bb6 |
hex | 245b707 |
38123271 has 16 divisors (see below), whose sum is σ = 57546720. Its totient is φ = 24935040.
The previous prime is 38123257. The next prime is 38123297. The reversal of 38123271 is 17232183.
38123271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38123271 - 27 = 38123143 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38123221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11890 + ... + 14751.
It is an arithmetic number, because the mean of its divisors is an integer number (3596670).
Almost surely, 238123271 is an apocalyptic number.
38123271 is a deficient number, since it is larger than the sum of its proper divisors (19423449).
38123271 is a wasteful number, since it uses less digits than its factorization.
38123271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26703 (or 26697 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 38123271 is about 6174.4045056993. The cubic root of 38123271 is about 336.5606869418.
The spelling of 38123271 in words is "thirty-eight million, one hundred twenty-three thousand, two hundred seventy-one".
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