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2,985,486

2 × 3 × 7 × 31 × 2293
Abundant Even Composite

2,985,486 factors as 2 × 3 × 7 × 31 × 2293. Its 32 positive divisors give a proper-divisor sum of 4,061,682, so this integer is abundant. The Collatz stopping time is 138 steps.

Prime Factor Structure

Factorization String 2 × 3 × 7 × 31 × 2293
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 7,047,168
Proper Divisor Sum 4,061,682
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #2985467 ← → #2985491

Radix Representation

Decimal 2985486
Binary 1011011000111000001110 (22 bits)
Octal 0o13307016
Hexadecimal 0x2D8E0E

Divisor Catalog (32)

1 2 3 6 7 14 21 31 42 62 93 186 217 434 651 1,302 2,293 4,586 6,879 13,758 16,051 32,102 48,153 71,083 96,306 142,166 213,249 426,498 497,581 995,162 1,492,743 2,985,486

Collatz Trajectory (138 steps to reach 1)

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

2,985,486 1,492,743 4,478,230 2,239,115 6,717,346 3,358,673 10,076,020 5,038,010 2,519,005 7,557,016 3,778,508 1,889,254 944,627 2,833,882 1,416,941 4,250,824 2,125,412 1,062,706 531,353 1,594,060 797,030 398,515 1,195,546 597,773 1,793,320 896,660 448,330 224,165 672,496 336,248 168,124 84,062 42,031 126,094 63,047 189,142 94,571 283,714 141,857 425,572 212,786 106,393 319,180 159,590 79,795 239,386 119,693 359,080 179,540 89,770 44,885 134,656 67,328 33,664 16,832 8,416 4,208 2,104 1,052 526

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