λ
Ratio Atlas

2,428,160

28 × 5 × 7 × 271
Abundant Even Composite

2,428,160 factors as 2^8 × 5 × 7 × 271. Its 72 positive divisors give a proper-divisor sum of 4,243,456, so this integer is abundant. The Collatz stopping time is 161 steps.

Prime Factor Structure

Factorization String 2^8 × 5 × 7 × 271
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 72
Divisor Sum (σ) 6,671,616
Proper Divisor Sum 4,243,456
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #2428159 ← → #2428163

Radix Representation

Decimal 2428160
Binary 1001010000110100000000 (22 bits)
Octal 0o11206400
Hexadecimal 0x250D00

Divisor Catalog (60 of 72)

1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 271 280 320 448 542 560 640 896 1,084 1,120 1,280 1,355 1,792 1,897 2,168 2,240 2,710 3,794 4,336 4,480 5,420 7,588 8,672 8,960 9,485 10,840 15,176 17,344 18,970 21,680 30,352 34,688 37,940 43,360 60,704 69,376

Collatz Trajectory (161 steps to reach 1)

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

2,428,160 1,214,080 607,040 303,520 151,760 75,880 37,940 18,970 9,485 28,456 14,228 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430

More profiles

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