4,387,975

5² × 175519

4,387,975 factors as 5^2 × 175519. Its 6 positive divisors give a proper-divisor sum of 1,053,145, so this integer is deficient. The Collatz stopping time is 172 steps.

Prime Factor Structure

Factorization String 5^2 × 175519

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 5,441,120

Proper Divisor Sum 1,053,145

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #4387969 ← → #4387979

Radix Representation

Decimal	4387975
Binary	10000101111010010000111 (23 bits)
Octal	0o20572207
Hexadecimal	0x42F487

Divisor Catalog (6)

1 5 25 175,519 877,595 4,387,975

Collatz Trajectory (172 steps to reach 1)

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

4,387,975 13,163,926 6,581,963 19,745,890 9,872,945 29,618,836 14,809,418 7,404,709 22,214,128 11,107,064 5,553,532 2,776,766 1,388,383 4,165,150 2,082,575 6,247,726 3,123,863 9,371,590 4,685,795 14,057,386 7,028,693 21,086,080 10,543,040 5,271,520 2,635,760 1,317,880 658,940 329,470 164,735 494,206 247,103 741,310 370,655 1,111,966 555,983 1,667,950 833,975 2,501,926 1,250,963 3,752,890 1,876,445 5,629,336 2,814,668 1,407,334 703,667 2,111,002 1,055,501 3,166,504 1,583,252 791,626 395,813 1,187,440 593,720 296,860 148,430 74,215 222,646 111,323 333,970 166,985

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