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2,499,490

2 × 5 × 72 × 5101
Abundant Even Composite

2,499,490 factors as 2 × 5 × 7^2 × 5101. Its 24 positive divisors give a proper-divisor sum of 2,735,162, so this integer is abundant. The Collatz stopping time is 161 steps.

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 5101
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 5,234,652
Proper Divisor Sum 2,735,162
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #2499463 ← → #2499509

Radix Representation

Decimal 2499490
Binary 1001100010001110100010 (22 bits)
Octal 0o11421642
Hexadecimal 0x2623A2

Divisor Catalog (24)

1 2 5 7 10 14 35 49 70 98 245 490 5,101 10,202 25,505 35,707 51,010 71,414 178,535 249,949 357,070 499,898 1,249,745 2,499,490

Collatz Trajectory (161 steps to reach 1)

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

2,499,490 1,249,745 3,749,236 1,874,618 937,309 2,811,928 1,405,964 702,982 351,491 1,054,474 527,237 1,581,712 790,856 395,428 197,714 98,857 296,572 148,286 74,143 222,430 111,215 333,646 166,823 500,470 250,235 750,706 375,353 1,126,060 563,030 281,515 844,546 422,273 1,266,820 633,410 316,705 950,116 475,058 237,529 712,588 356,294 178,147 534,442 267,221 801,664 400,832 200,416 100,208 50,104 25,052 12,526 6,263 18,790 9,395 28,186 14,093 42,280 21,140 10,570 5,285 15,856

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