2,178,146

2 × 23 × 47351

2,178,146 factors as 2 × 23 × 47351. Its 8 positive divisors give a proper-divisor sum of 1,231,198, so this integer is deficient. The Collatz stopping time is 179 steps.

Prime Factor Structure

Factorization String 2 × 23 × 47351

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,409,344

Proper Divisor Sum 1,231,198

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2178139 ← → #2178149

Radix Representation

Decimal	2178146
Binary	1000010011110001100010 (22 bits)
Octal	0o10236142
Hexadecimal	0x213C62

Divisor Catalog (8)

1 2 23 46 47,351 94,702 1,089,073 2,178,146

Collatz Trajectory (179 steps to reach 1)

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

2,178,146 1,089,073 3,267,220 1,633,610 816,805 2,450,416 1,225,208 612,604 306,302 153,151 459,454 229,727 689,182 344,591 1,033,774 516,887 1,550,662 775,331 2,325,994 1,162,997 3,488,992 1,744,496 872,248 436,124 218,062 109,031 327,094 163,547 490,642 245,321 735,964 367,982 183,991 551,974 275,987 827,962 413,981 1,241,944 620,972 310,486 155,243 465,730 232,865 698,596 349,298 174,649 523,948 261,974 130,987 392,962 196,481 589,444 294,722 147,361 442,084 221,042 110,521 331,564 165,782 82,891

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