Base | Representation |
---|---|
bin | 10110111101001… |
… | …110010110010001 |
3 | 222211201120011001 |
4 | 112331032112101 |
5 | 1242044221210 |
6 | 102115022001 |
7 | 12354464233 |
oct | 2675162621 |
9 | 884646131 |
10 | 385148305 |
11 | 188451693 |
12 | a8b9a901 |
13 | 61a41609 |
14 | 3921a253 |
15 | 23c2d03a |
hex | 16f4e591 |
385148305 has 16 divisors (see below), whose sum is σ = 468979200. Its totient is φ = 303600960.
The previous prime is 385148293. The next prime is 385148329. The reversal of 385148305 is 503841583.
It is not a de Polignac number, because 385148305 - 25 = 385148273 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362475 + ... + 363535.
It is an arithmetic number, because the mean of its divisors is an integer number (29311200).
Almost surely, 2385148305 is an apocalyptic number.
It is an amenable number.
385148305 is a deficient number, since it is larger than the sum of its proper divisors (83830895).
385148305 is a wasteful number, since it uses less digits than its factorization.
385148305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2064.
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 385148305 is about 19625.1956678144. The cubic root of 385148305 is about 727.5720330339.
Adding to 385148305 its reverse (503841583), we get a palindrome (888989888).
The spelling of 385148305 in words is "three hundred eighty-five million, one hundred forty-eight thousand, three hundred five".
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