Base | Representation |
---|---|
bin | 1001000110010… |
… | …0101011100011 |
3 | 2122210210012221 |
4 | 2101210223203 |
5 | 34232123443 |
6 | 3441531511 |
7 | 642235630 |
oct | 221445343 |
9 | 78723187 |
10 | 38161123 |
11 | 1a5a5020 |
12 | 10943b97 |
13 | 7ba1860 |
14 | 50d5187 |
15 | 353beed |
hex | 2464ae3 |
38161123 has 32 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 26991360.
The previous prime is 38161121. The next prime is 38161183. The reversal of 38161123 is 32116183.
It is not a de Polignac number, because 38161123 - 21 = 38161121 is a prime.
It is a super-2 number, since 2×381611232 = 2912542617242258, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38161121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66783 + ... + 67351.
It is an arithmetic number, because the mean of its divisors is an integer number (1627920).
Almost surely, 238161123 is an apocalyptic number.
38161123 is a deficient number, since it is larger than the sum of its proper divisors (13932317).
38161123 is a wasteful number, since it uses less digits than its factorization.
38161123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 667.
The product of its digits is 864, while the sum is 25.
The square root of 38161123 is about 6177.4689800921. The cubic root of 38161123 is about 336.6720387122.
It can be divided in two parts, 381 and 61123, that added together give a square (61504 = 2482).
The spelling of 38161123 in words is "thirty-eight million, one hundred sixty-one thousand, one hundred twenty-three".
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