Base | Representation |
---|---|
bin | 100000111111011101111 |
3 | 2000220221200 |
4 | 10013323233 |
5 | 234043241 |
6 | 35100543 |
7 | 12121545 |
oct | 4077357 |
9 | 2026850 |
10 | 1081071 |
11 | 679252 |
12 | 441753 |
13 | 2bb0b4 |
14 | 201d95 |
15 | 1654b6 |
hex | 107eef |
1081071 has 12 divisors (see below), whose sum is σ = 1576848. Its totient is φ = 713664.
The previous prime is 1081061. The next prime is 1081079. The reversal of 1081071 is 1701801.
It is not a de Polignac number, because 1081071 - 27 = 1080943 is a prime.
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081079) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486 + ... + 1548.
It is an arithmetic number, because the mean of its divisors is an integer number (131404).
21081071 is an apocalyptic number.
1081071 is a deficient number, since it is larger than the sum of its proper divisors (495777).
1081071 is a wasteful number, since it uses less digits than its factorization.
1081071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 18.
The square root of 1081071 is about 1039.7456419721. The cubic root of 1081071 is about 102.6324601191.
Adding to 1081071 its reverse (1701801), we get a palindrome (2782872).
The spelling of 1081071 in words is "one million, eighty-one thousand, seventy-one".
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