Base | Representation |
---|---|
bin | 101001111100… |
… | …000001010101 |
3 | 202200112120220 |
4 | 221330001111 |
5 | 10303244444 |
6 | 1031344553 |
7 | 162305514 |
oct | 51740125 |
9 | 22615526 |
10 | 10993749 |
11 | 6229848 |
12 | 3822159 |
13 | 237bca0 |
14 | 166267b |
15 | e72619 |
hex | a7c055 |
10993749 has 16 divisors (see below), whose sum is σ = 15947904. Its totient is φ = 6696000.
The previous prime is 10993739. The next prime is 10993753. The reversal of 10993749 is 94739901.
10993749 = T182 + T183 + ... + T415.
It is a de Polignac number, because none of the positive numbers 2k-10993749 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10993749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10993709) 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 15 ways as a sum of consecutive naturals, for example, 2544 + ... + 5334.
It is an arithmetic number, because the mean of its divisors is an integer number (996744).
Almost surely, 210993749 is an apocalyptic number.
It is an amenable number.
10993749 is a deficient number, since it is larger than the sum of its proper divisors (4954155).
10993749 is a wasteful number, since it uses less digits than its factorization.
10993749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2908.
The product of its (nonzero) digits is 61236, while the sum is 42.
The square root of 10993749 is about 3315.6822827285. The cubic root of 10993749 is about 222.3558735000.
The spelling of 10993749 in words is "ten million, nine hundred ninety-three thousand, seven hundred forty-nine".
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