Integer Profile

7,212,978

2 × 3^2 × 400721

Prime factors, divisor sums, positional representations and sequence properties for 7,212,978. The prime factorization is 2 × 3^2 × 400721.

Number of positive divisors: 12. Showing the recorded part of the sequence: 67.

AbundantEvenComposite

Prime factorization

Factorization: 2 × 3^2 × 400721
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 12
Divisor sum: 15,628,158
Proper-divisor sum: 8,415,180
Digit sum: 36
Digital root: 9

Number bases

Decimal: 7212978
Binary: 11011100000111110110010 (23 bits)
Octal: 0o33407662
Hexadecimal: 0x6E0FB2

Divisor catalog (12)

1236918400,721801,4421,202,1632,404,3263,606,4897,212,978

Showing 12 of 12.

Collatz trajectory (67 steps)

Even: n → n/2; Odd: n → 3n + 1

7,212,9783,606,48910,819,4685,409,7342,704,8678,114,6024,057,30112,171,9046,085,9523,042,9761,521,488760,744380,372190,18695,093285,280142,64071,32035,66017,8308,91526,74613,37340,12020,06010,0305,01515,0467,52322,57011,28533,85616,9288,4644,2322,1161,0585291,5887943971,19259629814944822411256281472211341752261340

Showing 60 of 60.