λ
Sigma Notebook

545,428

22 × 13 × 17 × 617
Deficient Even Composite

545,428 is even and not a perfect square. Its factorization is 2^2 × 13 × 17 × 617 and its 24 divisors sum to 1,090,152.

Prime Factor Structure

Factorization String 2^2 × 13 × 17 × 617
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 1,090,152
Proper Divisor Sum 544,724
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #545387 ← → #545429

Radix Representation

Decimal 545428
Binary 10000101001010010100 (20 bits)
Octal 0o2051224
Hexadecimal 0x85294

Divisor Catalog (24)

1 2 4 13 17 26 34 52 68 221 442 617 884 1,234 2,468 8,021 10,489 16,042 20,978 32,084 41,956 136,357 272,714 545,428

Collatz Trajectory (208 steps to reach 1)

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

545,428 272,714 136,357 409,072 204,536 102,268 51,134 25,567 76,702 38,351 115,054 57,527 172,582 86,291 258,874 129,437 388,312 194,156 97,078 48,539 145,618 72,809 218,428 109,214 54,607 163,822 81,911 245,734 122,867 368,602 184,301 552,904 276,452 138,226 69,113 207,340 103,670 51,835 155,506 77,753 233,260 116,630 58,315 174,946 87,473 262,420 131,210 65,605 196,816 98,408 49,204 24,602 12,301 36,904 18,452 9,226 4,613 13,840 6,920 3,460

More profiles

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