Base | Representation |
---|---|
bin | 1001000111111… |
… | …1010011011001 |
3 | 2200000022210200 |
4 | 2101333103121 |
5 | 34244121134 |
6 | 3444132413 |
7 | 643201560 |
oct | 221772331 |
9 | 80008720 |
10 | 38270169 |
11 | 1a669a43 |
12 | 10997109 |
13 | 7c0c392 |
14 | 5122bd7 |
15 | 355e499 |
hex | 247f4d9 |
38270169 has 24 divisors (see below), whose sum is σ = 65357760. Its totient is φ = 21113568.
The previous prime is 38270159. The next prime is 38270171. The reversal of 38270169 is 96107283.
It is not a de Polignac number, because 38270169 - 27 = 38270041 is a prime.
It is a super-2 number, since 2×382701692 = 2929211670577122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38270149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8647 + ... + 12300.
It is an arithmetic number, because the mean of its divisors is an integer number (2723240).
Almost surely, 238270169 is an apocalyptic number.
It is an amenable number.
38270169 is a deficient number, since it is larger than the sum of its proper divisors (27087591).
38270169 is a wasteful number, since it uses less digits than its factorization.
38270169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20989 (or 20986 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 38270169 is about 6186.2887905432. The cubic root of 38270169 is about 336.9924156000.
The spelling of 38270169 in words is "thirty-eight million, two hundred seventy thousand, one hundred sixty-nine".
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