Base | Representation |
---|---|
bin | 10110111101000… |
… | …100000000110111 |
3 | 222211122102002021 |
4 | 112331010000313 |
5 | 1242041342400 |
6 | 102114054011 |
7 | 12354226642 |
oct | 2675040067 |
9 | 884572067 |
10 | 385105975 |
11 | 188422901 |
12 | a8b7a307 |
13 | 61a28277 |
14 | 39208a59 |
15 | 23c2071a |
hex | 16f44037 |
385105975 has 6 divisors (see below), whose sum is σ = 477531440. Its totient is φ = 308084760.
The previous prime is 385105969. The next prime is 385105999. The reversal of 385105975 is 579501583.
It is not a de Polignac number, because 385105975 - 25 = 385105943 is a prime.
It is a super-2 number, since 2×3851059752 = 296613223961401250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7702095 + ... + 7702144.
Almost surely, 2385105975 is an apocalyptic number.
385105975 is a deficient number, since it is larger than the sum of its proper divisors (92425465).
385105975 is a wasteful number, since it uses less digits than its factorization.
385105975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15404249 (or 15404244 counting only the distinct ones).
The product of its (nonzero) digits is 189000, while the sum is 43.
The square root of 385105975 is about 19624.1171775955. The cubic root of 385105975 is about 727.5453772824.
The spelling of 385105975 in words is "three hundred eighty-five million, one hundred five thousand, nine hundred seventy-five".
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