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'190' is the natural number following one hundred [and] eighty-nine and preceding one hundred [and] ninety-one.

Cardinal	One hundred [and] ninety
Ordinal	190th
Factorization	$2\; cdot\; 5\; cdot\; 19$
Roman numeral	CXC
Binary	10111110
Hexadecimal	BE

'One hundred [and] ninety' is a sphenic number and a Harshad number. It is a triangular number, a hexagonal number and a centered nonagonal number.
'One hundred [and] ninety' is also

★ For the years, see 190 AD and 190 BC.
'190' is a pseudonym used by musician Naoki Maeda.
'1-9-0' is the emergency number in Brazil.