1,724,020

2² × 5 × 86201

1,724,020 factors as 2^2 × 5 × 86201. Its 12 positive divisors give a proper-divisor sum of 1,896,464, so this integer is abundant. The Collatz stopping time is 158 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 86201

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,620,484

Proper Divisor Sum 1,896,464

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1723991 ← → #1724027

Radix Representation

Decimal	1724020
Binary	110100100111001110100 (21 bits)
Octal	0o6447164
Hexadecimal	0x1A4E74

Divisor Catalog (12)

1 2 4 5 10 20 86,201 172,402 344,804 431,005 862,010 1,724,020

Collatz Trajectory (158 steps to reach 1)

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

1,724,020 862,010 431,005 1,293,016 646,508 323,254 161,627 484,882 242,441 727,324 363,662 181,831 545,494 272,747 818,242 409,121 1,227,364 613,682 306,841 920,524 460,262 230,131 690,394 345,197 1,035,592 517,796 258,898 129,449 388,348 194,174 97,087 291,262 145,631 436,894 218,447 655,342 327,671 983,014 491,507 1,474,522 737,261 2,211,784 1,105,892 552,946 276,473 829,420 414,710 207,355 622,066 311,033 933,100 466,550 233,275 699,826 349,913 1,049,740 524,870 262,435 787,306 393,653

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