Base | Representation |
---|---|
bin | 100000111111100010011 |
3 | 2000221000000 |
4 | 10013330103 |
5 | 234043412 |
6 | 35101043 |
7 | 12121626 |
oct | 4077423 |
9 | 2027000 |
10 | 1081107 |
11 | 679285 |
12 | 441783 |
13 | 2bb111 |
14 | 201dbd |
15 | 1654dc |
hex | 107f13 |
1081107 has 14 divisors (see below), whose sum is σ = 1622012. Its totient is φ = 720252.
The previous prime is 1081099. The next prime is 1081121. The reversal of 1081107 is 7011801.
It is not a de Polignac number, because 1081107 - 23 = 1081099 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1081107.
It is not an unprimeable number, because it can be changed into a prime (1081127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13 + ... + 1470.
It is an arithmetic number, because the mean of its divisors is an integer number (115858).
21081107 is an apocalyptic number.
1081107 is a deficient number, since it is larger than the sum of its proper divisors (540905).
1081107 is an frugal number, since it uses more digits than its factorization.
1081107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1501 (or 1486 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 18.
The square root of 1081107 is about 1039.7629537544. The cubic root of 1081107 is about 102.6335993374.
Adding to 1081107 its reverse (7011801), we get a palindrome (8092908).
The spelling of 1081107 in words is "one million, eighty-one thousand, one hundred seven".
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