Base | Representation |
---|---|
bin | 1100100001000… |
… | …10110111111101 |
3 | 21022120120112101 |
4 | 12100202313331 |
5 | 203340003240 |
6 | 14230305101 |
7 | 2413326514 |
oct | 620426775 |
9 | 238516471 |
10 | 105000445 |
11 | 542a7430 |
12 | 2b1b8191 |
13 | 189a4854 |
14 | dd3367b |
15 | 934139a |
hex | 6422dfd |
105000445 has 16 divisors (see below), whose sum is σ = 142197120. Its totient is φ = 73729600.
The previous prime is 105000437. The next prime is 105000481. The reversal of 105000445 is 544000501.
It is not a de Polignac number, because 105000445 - 23 = 105000437 is a prime.
It is a super-2 number, since 2×1050004452 = 22050186900396050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31321 + ... + 34510.
It is an arithmetic number, because the mean of its divisors is an integer number (8887320).
Almost surely, 2105000445 is an apocalyptic number.
It is an amenable number.
105000445 is a deficient number, since it is larger than the sum of its proper divisors (37196675).
105000445 is a wasteful number, since it uses less digits than its factorization.
105000445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65876.
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 105000445 is about 10246.9724797132. The cubic root of 105000445 is about 471.7700644986.
Adding to 105000445 its reverse (544000501), we get a palindrome (649000946).
The spelling of 105000445 in words is "one hundred five million, four hundred forty-five", and thus it is an aban number.
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