Base | Representation |
---|---|
bin | 10110111101010… |
… | …100110111011111 |
3 | 222211202220210000 |
4 | 112331110313133 |
5 | 1242101100012 |
6 | 102115345343 |
7 | 12354635130 |
oct | 2675246737 |
9 | 884686700 |
10 | 385175007 |
11 | 18846a758 |
12 | a8bb2253 |
13 | 61a50809 |
14 | 39225c87 |
15 | 23c35ddc |
hex | 16f54ddf |
385175007 has 40 divisors (see below), whose sum is σ = 665984000. Its totient is φ = 217288656.
The previous prime is 385175003. The next prime is 385175039. The reversal of 385175007 is 700571583.
It is not a de Polignac number, because 385175007 - 22 = 385175003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385175003) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40494 + ... + 49092.
It is an arithmetic number, because the mean of its divisors is an integer number (16649600).
Almost surely, 2385175007 is an apocalyptic number.
385175007 is a deficient number, since it is larger than the sum of its proper divisors (280808993).
385175007 is an equidigital number, since it uses as much as digits as its factorization.
385175007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8697 (or 8688 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 36.
The square root of 385175007 is about 19625.8759549733. The cubic root of 385175007 is about 727.5888466260.
The spelling of 385175007 in words is "three hundred eighty-five million, one hundred seventy-five thousand, seven".
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