549,409

7 × 78487

549,409 factors as 7 × 78487. Its 4 positive divisors give a proper-divisor sum of 78,495, so this integer is deficient. The Collatz stopping time is 115 steps.

Prime Factor Structure

Factorization String 7 × 78487

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 627,904

Proper Divisor Sum 78,495

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #549403 ← → #549421

Radix Representation

Decimal	549409
Binary	10000110001000100001 (20 bits)
Octal	0o2061041
Hexadecimal	0x86221

Divisor Catalog (4)

1 7 78,487 549,409

Collatz Trajectory (115 steps to reach 1)

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

549,409 1,648,228 824,114 412,057 1,236,172 618,086 309,043 927,130 463,565 1,390,696 695,348 347,674 173,837 521,512 260,756 130,378 65,189 195,568 97,784 48,892 24,446 12,223 36,670 18,335 55,006 27,503 82,510 41,255 123,766 61,883 185,650 92,825 278,476 139,238 69,619 208,858 104,429 313,288 156,644 78,322 39,161 117,484 58,742 29,371 88,114 44,057 132,172 66,086 33,043 99,130 49,565 148,696 74,348 37,174 18,587 55,762 27,881 83,644 41,822 20,911

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