Base | Representation |
---|---|
bin | 10111000000011… |
… | …100101000111011 |
3 | 222220022111020020 |
4 | 113000130220323 |
5 | 1242303241100 |
6 | 102145101523 |
7 | 12364613553 |
oct | 2700345073 |
9 | 886274206 |
10 | 385993275 |
11 | 188979508 |
12 | a93278a3 |
13 | 61c790b5 |
14 | 3939a163 |
15 | 23d485a0 |
hex | 1701ca3b |
385993275 has 48 divisors (see below), whose sum is σ = 652458240. Its totient is φ = 201308800.
The previous prime is 385993271. The next prime is 385993301. The reversal of 385993275 is 572399583.
It is not a de Polignac number, because 385993275 - 22 = 385993271 is a prime.
It is not an unprimeable number, because it can be changed into a prime (385993271) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921016 + ... + 921434.
It is an arithmetic number, because the mean of its divisors is an integer number (13592880).
Almost surely, 2385993275 is an apocalyptic number.
385993275 is a deficient number, since it is larger than the sum of its proper divisors (266464965).
385993275 is a wasteful number, since it uses less digits than its factorization.
385993275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 676 (or 671 counting only the distinct ones).
The product of its digits is 2041200, while the sum is 51.
The square root of 385993275 is about 19646.7115568993. The cubic root of 385993275 is about 728.1037135125.
The spelling of 385993275 in words is "three hundred eighty-five million, nine hundred ninety-three thousand, two hundred seventy-five".
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