1,978,448

2⁴ × 123653

1,978,448 factors as 2^4 × 123653. Its 10 positive divisors give a proper-divisor sum of 1,854,826, so this integer is deficient. The Collatz stopping time is 197 steps.

Prime Factor Structure

Factorization String 2^4 × 123653

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 3,833,274

Proper Divisor Sum 1,854,826

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #1978441 ← → #1978463

Radix Representation

Decimal	1978448
Binary	111100011000001010000 (21 bits)
Octal	0o7430120
Hexadecimal	0x1E3050

Divisor Catalog (10)

1 2 4 8 16 123,653 247,306 494,612 989,224 1,978,448

Collatz Trajectory (197 steps to reach 1)

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

1,978,448 989,224 494,612 247,306 123,653 370,960 185,480 92,740 46,370 23,185 69,556 34,778 17,389 52,168 26,084 13,042 6,521 19,564 9,782 4,891 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879 44,638 22,319 66,958 33,479 100,438 50,219 150,658 75,329

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