Friday, December 22, 2017

Number of the day: 301992

Srinivasa Ramanujan was born on this day 130 years ago.

Properties of the number 301992:

301992 = 23 × 3 × 12583 is the 275829th composite number and is not squarefree.
301992 has 3 distinct prime factors, 16 divisors, 15 antidivisors and 100656 totatives.
Reversing the decimal digits of 301992 results in a sphenic number.
301992 = 754992 - 754972 = 377512 - 377472 = 251692 - 251632 = 125892 - 125772 is the difference of 2 nonnegative squares in 4 ways.
301992 = 22 + 1122 + 5382 is the sum of 3 positive squares.
3019922 is the sum of 3 positive squares.
301992 is a proper divisor of 16976 - 1.

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