Base | Representation |
---|---|
bin | 10000001010010… |
… | …100111001011001 |
3 | 200220012110120102 |
4 | 100022110321121 |
5 | 1023403024424 |
6 | 42523305145 |
7 | 6501446612 |
oct | 2012247131 |
9 | 626173512 |
10 | 271142489 |
11 | 12a064402 |
12 | 7697b1b5 |
13 | 44235b57 |
14 | 28020c09 |
15 | 18c0d7ae |
hex | 10294e59 |
271142489 has 8 divisors (see below), whose sum is σ = 281007360. Its totient is φ = 261312016.
The previous prime is 271142447. The next prime is 271142497. The reversal of 271142489 is 984241172.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 271142489 - 212 = 271138393 is a prime.
It is a super-3 number, since 3×2711424893 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (271142429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8024 + ... + 24630.
It is an arithmetic number, because the mean of its divisors is an integer number (35125920).
Almost surely, 2271142489 is an apocalyptic number.
271142489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
271142489 is a deficient number, since it is larger than the sum of its proper divisors (9864871).
271142489 is a wasteful number, since it uses less digits than its factorization.
271142489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17199.
The product of its digits is 32256, while the sum is 38.
The square root of 271142489 is about 16466.4048595922. The cubic root of 271142489 is about 647.2407604509.
The spelling of 271142489 in words is "two hundred seventy-one million, one hundred forty-two thousand, four hundred eighty-nine".
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