Base | Representation |
---|---|
bin | 11111001100010011001 |
3 | 1220221001202 |
4 | 3321202121 |
5 | 230201410 |
6 | 33523545 |
7 | 11454620 |
oct | 3714231 |
9 | 1827052 |
10 | 1022105 |
11 | 638a17 |
12 | 4135b5 |
13 | 29a2c6 |
14 | 1c86b7 |
15 | 152ca5 |
hex | f9899 |
1022105 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 628992.
The previous prime is 1022083. The next prime is 1022113. The reversal of 1022105 is 5012201.
It is not a de Polignac number, because 1022105 - 28 = 1021849 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 19259 + ... + 19311.
It is an arithmetic number, because the mean of its divisors is an integer number (48600).
21022105 is an apocalyptic number.
It is an amenable number.
1022105 is a deficient number, since it is larger than the sum of its proper divisors (533095).
1022105 is a wasteful number, since it uses less digits than its factorization.
1022105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113.
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 1022105 is about 1010.9920870116. The cubic root of 1022105 is about 100.7314698068.
Adding to 1022105 its reverse (5012201), we get a palindrome (6034306).
The spelling of 1022105 in words is "one million, twenty-two thousand, one hundred five".
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