1240
Number 1240: Properties, Factors, and Mathematical Facts
Short answer
The number 1240 is an even composite number with 16 positive divisors. Its prime factorization is 2³ × 5 × 31. It is also an abundant number, which gives it several notable mathematical relationships.
Is 1240 prime?
ClassificationCompositeParityEvenDivisor count16AbundanceAbundant
What is the prime factorization of 1240?
Prime factorization
2 cubed times 5 times 31
What are the divisors of 1240?
Divisor count
16
Divisor sum
2,880
Proper divisor sum
1,640
- 1
- 2
- 4
- 5
- 8
- 10
- 20
- 31
- 40
- 62
- 124
- 155
- 248
- 310
- 620
- 1240
How is 1240 classified?
How is 1240 represented in other numeral systems?
Decimal
1240
Binary
10011011000
Octal
2330
Hexadecimal
4D8
Roman
MCCXLLearn more →
In words
one thousand two hundred forty
Roots and powers
Square root
35.213634 Approximate
Cube root
10.743371 Approximate
Nearest lower square
1225
Nearest higher square
1296
Nearest lower cube
1000
Nearest higher cube
1331
What are the digit properties of 1240?
Which numbers are related to 1240?
Why these results are true
- 1240 is composite because it has positive divisors other than 1 and itself.
- 1240 is abundant because the sum of its proper divisors (1640) is greater than 1240.
Compare this number
FAQ for 1240
- Is 1240 prime?
- No
- What is the prime factorization of 1240?
- 2³ × 5 × 31
- Is 1240 a perfect square?
- No
- What is 1240 in binary?
- 10011011000
- What is 1240 in Roman numerals?
- MCCXL