λ
Integer Codex

1,243,790

2 × 5 × 61 × 2039
Deficient Even Composite

For 1,243,790, the 16 positive divisors have a total of 2,276,640. Removing 1,243,790 leaves 1,032,850, which gives the deficient classification.

Prime Factor Structure

Factorization String 2 × 5 × 61 × 2039
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 2,276,640
Proper Divisor Sum 1,032,850
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1243789 ← → #1243793

Radix Representation

Decimal 1243790
Binary 100101111101010001110 (21 bits)
Octal 0o4575216
Hexadecimal 0x12FA8E

Divisor Catalog (16)

1 2 5 10 61 122 305 610 2,039 4,078 10,195 20,390 124,379 248,758 621,895 1,243,790

Collatz Trajectory (160 steps to reach 1)

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

1,243,790 621,895 1,865,686 932,843 2,798,530 1,399,265 4,197,796 2,098,898 1,049,449 3,148,348 1,574,174 787,087 2,361,262 1,180,631 3,541,894 1,770,947 5,312,842 2,656,421 7,969,264 3,984,632 1,992,316 996,158 498,079 1,494,238 747,119 2,241,358 1,120,679 3,362,038 1,681,019 5,043,058 2,521,529 7,564,588 3,782,294 1,891,147 5,673,442 2,836,721 8,510,164 4,255,082 2,127,541 6,382,624 3,191,312 1,595,656 797,828 398,914 199,457 598,372 299,186 149,593 448,780 224,390 112,195 336,586 168,293 504,880 252,440 126,220 63,110 31,555 94,666 47,333

More profiles

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