As character names:

U+1EA4 LATIN CAPITAL LETTER A WITH CIRCUMFLEX AND ACUTE character (Ấ)

As raw characters:

Ấ

As a string of HTML entities:

Ấ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 164, hex 0xA4, octal \244, binary 10100100
This is continuation byte 2, expecting 0 more.

U+1EA4	LATIN CAPITAL LETTER A WITH CIRCUMFLEX AND ACUTE
	: 00C2 0301