λ
Sigma Notebook

7,678,520

23 × 5 × 97 × 1979
Abundant Even Composite

7,678,520 is even and not a perfect square. Its factorization is 2^3 × 5 × 97 × 1979 and its 32 divisors sum to 17,463,600.

Prime Factor Structure

Factorization String 2^3 × 5 × 97 × 1979
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 17,463,600
Proper Divisor Sum 9,785,080
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7678513 ← → #7678523

Radix Representation

Decimal 7678520
Binary 11101010010101000111000 (23 bits)
Octal 0o35225070
Hexadecimal 0x752A38

Divisor Catalog (32)

1 2 4 5 8 10 20 40 97 194 388 485 776 970 1,940 1,979 3,880 3,958 7,916 9,895 15,832 19,790 39,580 79,160 191,963 383,926 767,852 959,815 1,535,704 1,919,630 3,839,260 7,678,520

Collatz Trajectory (72 steps to reach 1)

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

7,678,520 3,839,260 1,919,630 959,815 2,879,446 1,439,723 4,319,170 2,159,585 6,478,756 3,239,378 1,619,689 4,859,068 2,429,534 1,214,767 3,644,302 1,822,151 5,466,454 2,733,227 8,199,682 4,099,841 12,299,524 6,149,762 3,074,881 9,224,644 4,612,322 2,306,161 6,918,484 3,459,242 1,729,621 5,188,864 2,594,432 1,297,216 648,608 324,304 162,152 81,076 40,538 20,269 60,808 30,404 15,202 7,601 22,804 11,402 5,701 17,104 8,552 4,276 2,138 1,069 3,208 1,604 802 401 1,204 602 301 904 452 226

More profiles

← Previous Integer #7,678,519 Browse Full Index Next Integer #7,678,521 →