Base | Representation |
---|---|
bin | 10110111100101… |
… | …010001111000100 |
3 | 222211110001020122 |
4 | 112330222033010 |
5 | 1242030003023 |
6 | 102111521112 |
7 | 12353310053 |
oct | 2674521704 |
9 | 884401218 |
10 | 385000388 |
11 | 188360543 |
12 | a8b29198 |
13 | 619bc1a6 |
14 | 391bc39a |
15 | 23bee2c8 |
hex | 16f2a3c4 |
385000388 has 6 divisors (see below), whose sum is σ = 673750686. Its totient is φ = 192500192.
The previous prime is 385000387. The next prime is 385000423. The reversal of 385000388 is 883000583.
It can be written as a sum of positive squares in only one way, i.e., 240808324 + 144192064 = 15518^2 + 12008^2 .
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 as a sum of consecutive naturals, namely, 48125045 + ... + 48125052.
It is an arithmetic number, because the mean of its divisors is an integer number (112291781).
Almost surely, 2385000388 is an apocalyptic number.
It is an amenable number.
385000388 is a deficient number, since it is larger than the sum of its proper divisors (288750298).
385000388 is a wasteful number, since it uses less digits than its factorization.
385000388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96250101 (or 96250099 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 385000388 is about 19621.4267575016. The cubic root of 385000388 is about 727.4788792615.
The spelling of 385000388 in words is "three hundred eighty-five million, three hundred eighty-eight", and thus it is an aban number.
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