Base | Representation |
---|---|
bin | 10000001010101… |
… | …001110111100011 |
3 | 200220100211101211 |
4 | 100022221313203 |
5 | 1023413302022 |
6 | 42525210551 |
7 | 6502255213 |
oct | 2012516743 |
9 | 626324354 |
10 | 271228387 |
11 | 12a1129a1 |
12 | 76a00a57 |
13 | 44265c91 |
14 | 28044243 |
15 | 18c28e77 |
hex | 102a9de3 |
271228387 has 24 divisors (see below), whose sum is σ = 303275232. Its totient is φ = 241651200.
The previous prime is 271228381. The next prime is 271228403. The reversal of 271228387 is 783822172.
It is not a de Polignac number, because 271228387 - 215 = 271195619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (271228381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871962 + ... + 872272.
It is an arithmetic number, because the mean of its divisors is an integer number (12636468).
Almost surely, 2271228387 is an apocalyptic number.
271228387 is a deficient number, since it is larger than the sum of its proper divisors (32046845).
271228387 is a wasteful number, since it uses less digits than its factorization.
271228387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447 (or 418 counting only the distinct ones).
The product of its digits is 75264, while the sum is 40.
The square root of 271228387 is about 16469.0129333849. The cubic root of 271228387 is about 647.3091019062.
The spelling of 271228387 in words is "two hundred seventy-one million, two hundred twenty-eight thousand, three hundred eighty-seven".
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