Base | Representation |
---|---|
bin | 10110111100101… |
… | …010001111000001 |
3 | 222211110001020112 |
4 | 112330222033001 |
5 | 1242030003020 |
6 | 102111521105 |
7 | 12353310050 |
oct | 2674521701 |
9 | 884401215 |
10 | 385000385 |
11 | 188360540 |
12 | a8b29195 |
13 | 619bc1a3 |
14 | 391bc397 |
15 | 23bee2c5 |
hex | 16f2a3c1 |
385000385 has 32 divisors (see below), whose sum is σ = 581762304. Its totient is φ = 237600000.
The previous prime is 385000367. The next prime is 385000387. The reversal of 385000385 is 583000583.
It is not a de Polignac number, because 385000385 - 210 = 384999361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (385000387) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33935 + ... + 43835.
It is an arithmetic number, because the mean of its divisors is an integer number (18180072).
Almost surely, 2385000385 is an apocalyptic number.
385000385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
385000385 is a deficient number, since it is larger than the sum of its proper divisors (196761919).
385000385 is a wasteful number, since it uses less digits than its factorization.
385000385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10025.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 385000385 is about 19621.4266810546. The cubic root of 385000385 is about 727.4788773719.
The spelling of 385000385 in words is "three hundred eighty-five million, three hundred eighty-five", and thus it is an aban number.
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