Base | Representation |
---|---|
bin | 10110110000100… |
… | …011000011110001 |
3 | 222121110201210111 |
4 | 112300203003301 |
5 | 1240221402030 |
6 | 101515501321 |
7 | 12314314123 |
oct | 2660430361 |
9 | 877421714 |
10 | 381825265 |
11 | 186591a78 |
12 | a7a57841 |
13 | 61149c13 |
14 | 389d3213 |
15 | 237c362a |
hex | 16c230f1 |
381825265 has 8 divisors (see below), whose sum is σ = 458297280. Its totient is φ = 305388912.
The previous prime is 381825263. The next prime is 381825289. The reversal of 381825265 is 562528183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 381825265 - 21 = 381825263 is a prime.
It is not an unprimeable number, because it can be changed into a prime (381825263) 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 7 ways as a sum of consecutive naturals, for example, 30462 + ... + 41128.
It is an arithmetic number, because the mean of its divisors is an integer number (57287160).
Almost surely, 2381825265 is an apocalyptic number.
It is an amenable number.
381825265 is a deficient number, since it is larger than the sum of its proper divisors (76472015).
381825265 is a wasteful number, since it uses less digits than its factorization.
381825265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17831.
The product of its digits is 115200, while the sum is 40.
The square root of 381825265 is about 19540.3496642204. The cubic root of 381825265 is about 725.4735012296.
The spelling of 381825265 in words is "three hundred eighty-one million, eight hundred twenty-five thousand, two hundred sixty-five".
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