Base | Representation |
---|---|
bin | 1001001001100… |
… | …0111101111001 |
3 | 2200012200000000 |
4 | 2102120331321 |
5 | 34311002124 |
6 | 3450303213 |
7 | 644120211 |
oct | 222307571 |
9 | 80180000 |
10 | 38375289 |
11 | 1a730a17 |
12 | 10a27b09 |
13 | 7c48194 |
14 | 514d241 |
15 | 35806c9 |
hex | 2498f79 |
38375289 has 18 divisors (see below), whose sum is σ = 57569850. Its totient is φ = 25579152.
The previous prime is 38375279. The next prime is 38375329. The reversal of 38375289 is 98257383.
It can be written as a sum of positive squares in only one way, i.e., 30338064 + 8037225 = 5508^2 + 2835^2 .
It is not a de Polignac number, because 38375289 - 25 = 38375257 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38375219) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3637 + ... + 9485.
It is an arithmetic number, because the mean of its divisors is an integer number (3198325).
Almost surely, 238375289 is an apocalyptic number.
It is an amenable number.
38375289 is a deficient number, since it is larger than the sum of its proper divisors (19194561).
38375289 is an frugal number, since it uses more digits than its factorization.
38375289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5873 (or 5852 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 38375289 is about 6194.7791728196. The cubic root of 38375289 is about 337.3006823119.
The spelling of 38375289 in words is "thirty-eight million, three hundred seventy-five thousand, two hundred eighty-nine".
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