1,786,450

2 × 5² × 35729

1,786,450 factors as 2 × 5^2 × 35729. Its 12 positive divisors give a proper-divisor sum of 1,536,440, so this integer is deficient. The Collatz stopping time is 140 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 35729

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,322,890

Proper Divisor Sum 1,536,440

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1786441 ← → #1786451

Radix Representation

Decimal	1786450
Binary	110110100001001010010 (21 bits)
Octal	0o6641122
Hexadecimal	0x1B4252

Divisor Catalog (12)

1 2 5 10 25 50 35,729 71,458 178,645 357,290 893,225 1,786,450

Collatz Trajectory (140 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,786,450 893,225 2,679,676 1,339,838 669,919 2,009,758 1,004,879 3,014,638 1,507,319 4,521,958 2,260,979 6,782,938 3,391,469 10,174,408 5,087,204 2,543,602 1,271,801 3,815,404 1,907,702 953,851 2,861,554 1,430,777 4,292,332 2,146,166 1,073,083 3,219,250 1,609,625 4,828,876 2,414,438 1,207,219 3,621,658 1,810,829 5,432,488 2,716,244 1,358,122 679,061 2,037,184 1,018,592 509,296 254,648 127,324 63,662 31,831 95,494 47,747 143,242 71,621 214,864 107,432 53,716 26,858 13,429 40,288 20,144 10,072 5,036 2,518 1,259 3,778 1,889

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