Base | Representation |
---|---|
bin | 10111001000110… |
… | …110111111000101 |
3 | 1000001110112000100 |
4 | 113020312333011 |
5 | 1243334321331 |
6 | 102304234313 |
7 | 12422426406 |
oct | 2710667705 |
9 | 1001415010 |
10 | 388198341 |
11 | 18a145183 |
12 | aa00b999 |
13 | 6256b97b |
14 | 397b19ad |
15 | 24131ae6 |
hex | 17236fc5 |
388198341 has 12 divisors (see below), whose sum is σ = 571311468. Its totient is φ = 253915584.
The previous prime is 388198313. The next prime is 388198351. The reversal of 388198341 is 143891883.
It can be written as a sum of positive squares in 2 ways, for example, as 323460225 + 64738116 = 17985^2 + 8046^2 .
It is not a de Polignac number, because 388198341 - 26 = 388198277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388198351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406440 + ... + 407393.
It is an arithmetic number, because the mean of its divisors is an integer number (47609289).
Almost surely, 2388198341 is an apocalyptic number.
It is an amenable number.
388198341 is a deficient number, since it is larger than the sum of its proper divisors (183113127).
388198341 is a wasteful number, since it uses less digits than its factorization.
388198341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 813892 (or 813889 counting only the distinct ones).
The product of its digits is 165888, while the sum is 45.
The square root of 388198341 is about 19702.7495796906. The cubic root of 388198341 is about 729.4875624304.
The spelling of 388198341 in words is "three hundred eighty-eight million, one hundred ninety-eight thousand, three hundred forty-one".
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