12-21-2016, 06:16 PM
It's probably the conversion from megabytes (marketing speak) to binary megabytes/mebibytes (actual measure); 549 megabytes = 549*1'000'000 = 549'000'000 bytes, 549'000'000/(1024*1024) = 523.567 mebibytes.
A Better Alex (ISTJ): EPRHA → ASC → AM6 → …
A Sexy Alex (ESTJ-T): BIABWS+DAOS → DMSI → …
A Better Alex (ENFJ-T): AM6 → …
A Sexy Alex (ESTJ-T): BIABWS+DAOS → DMSI → …
A Better Alex (ENFJ-T): AM6 → …