1,978,376

2³ × 67 × 3691

1,978,376 factors as 2^3 × 67 × 3691. Its 16 positive divisors give a proper-divisor sum of 1,787,464, so this integer is deficient. The Collatz stopping time is 91 steps.

Prime Factor Structure

Factorization String 2^3 × 67 × 3691

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,765,840

Proper Divisor Sum 1,787,464

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #1978363 ← → #1978393

Radix Representation

Decimal	1978376
Binary	111100011000000001000 (21 bits)
Octal	0o7430010
Hexadecimal	0x1E3008

Divisor Catalog (16)

1 2 4 8 67 134 268 536 3,691 7,382 14,764 29,528 247,297 494,594 989,188 1,978,376

Collatz Trajectory (91 steps to reach 1)

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

1,978,376 989,188 494,594 247,297 741,892 370,946 185,473 556,420 278,210 139,105 417,316 208,658 104,329 312,988 156,494 78,247 234,742 117,371 352,114 176,057 528,172 264,086 132,043 396,130 198,065 594,196 297,098 148,549 445,648 222,824 111,412 55,706 27,853 83,560 41,780 20,890 10,445 31,336 15,668 7,834 3,917 11,752 5,876 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096

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