The answer is 33,554,432 by 101phil
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1048576 is a power of 2, specifically 2^20. Therefore, it can be divided evenly by any power of 2 up to 2^20. This means it can be divided by 2, 4, 8, 16, 32, and so on, all the way up to 1048576. Additionally, it can also be divided by 1 and by itself.
1 & 512, 2 & 256, 4 & 128, 8 & 64, 16 & 32
1 x 512, 2 x 256, 4 x 128, 8 x 64, 16 x 32.
128. 1+1=2 2+2=4 4+4= 16 16+16= 32 32+32= 64 64+64 = 128 128+128 = 256 256+256 =512 512+512= 1024 Each time take the answer from the previous problem and double it to find the next number in the sequence.
1111111111111111 to base 2 (binary) is equivalent to FFFF to the base 16 (hexadecimal) which in decimal equals (15 x 16*3) + (15 x 16*2) + (15 x 16*1) + (15 x 16*0) = (15 x 4096) + (15 x 256) + (15 x 16) + (15 x 1) = 61440 + 3840 + 240 + 15 = 65535 Another way to look at this is that FFFF in hexadecimal is actually 10000 in hexadecimal minus 1 and we know 10000 in hexadecimal is 65536 and so FFFF in hexadecimal is 65536-1 = 65535