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52 (number)

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← 51 52 53 →
Cardinalfifty-two
Ordinalnd
Factorization
Divisors1, 2, 4, 13, 26, 52
Greek numeralΝΒ´
Roman numeralLII
Binary1101002
Ternary12213
Senary1246
Octal648
Duodecimal4412
Hexadecimal3416

52 (fifty-two) is the natural number following 51 and preceding 53.

In mathematics

Fifty-two is the 6th Bell number and a decagonal number. It is an untouchable number, since it is never the sum of proper divisors of any number, and it is a noncototient since it is never the answer to the equation x - φ(x).

In science

Astronomy

In other fields

The piano has 52 white keys

Fifty-two is:


Sports

Historical years

52 B.C., 52 A.D., 1952, 2052, etc.