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245 (number) - Wikipedia
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Natural number
245 (two hundred [and] forty-five) is the natural number following 244 and preceding 246.
Additionally, 245 is:
- a composite number.
- a stella octangula number. [1]
- palindromic in bases 34 (7734) and 48 (5548)[2]
- a Harshad number in bases 7, 9, 11, 15, 31, 35, 36 (and 14 other bases).[3]
- the aliquot sum of any of these numbers: 723, 1195, 2563, 3859,[4] 9259, 10123, 12283, 14659 and 14803[citation needed]
- part of the 97-aliquot tree.[4] The aliquot sequence starting at 10222 is: 10222, 5978,[citation needed] 4624, 4893, 2595, 1581, 723, 245[4], 97, 1, 0[citation needed]
Integers −1 0s
100s
200s
300s
400s
500s
600s
700s
800s
900s
1000s
- 100,000
- 1,000,000
- 10,000,000
- 100,000,000
- 1,000,000,000
- 10,000,000,000
- 100,000,000,000
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