Base | Representation |
---|---|
bin | 100000101100010111000 |
3 | 2000102112100 |
4 | 10011202320 |
5 | 233240123 |
6 | 34543400 |
7 | 12051201 |
oct | 4054270 |
9 | 2012470 |
10 | 1071288 |
11 | 671969 |
12 | 437b60 |
13 | 2b67ca |
14 | 1dc5a8 |
15 | 162643 |
hex | 1058b8 |
1071288 has 24 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 357072.
The previous prime is 1071283. The next prime is 1071311. The reversal of 1071288 is 8821701.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×10712882 = 2295315957888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071283) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7368 + ... + 7511.
It is an arithmetic number, because the mean of its divisors is an integer number (120900).
21071288 is an apocalyptic number.
1071288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1071288 is an abundant number, since it is smaller than the sum of its proper divisors (1830312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1071288 is a wasteful number, since it uses less digits than its factorization.
1071288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14891 (or 14884 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 27.
The square root of 1071288 is about 1035.0304343351. The cubic root of 1071288 is about 102.3219355386.
Adding to 1071288 its reverse (8821701), we get a palindrome (9892989).
The spelling of 1071288 in words is "one million, seventy-one thousand, two hundred eighty-eight".
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