Integer Profile

1,820,728

2^3 × 7 × 13 × 41 × 61

Prime factors, divisor sums, positional representations and sequence properties for 1,820,728. The prime factorization is 2^3 × 7 × 13 × 41 × 61.

Number of positive divisors: 64. Showing the recorded part of the sequence: 158.

AbundantEvenComposite

Prime factorization

Factorization: 2^3 × 7 × 13 × 41 × 61
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 64
Divisor sum: 4,374,720
Proper-divisor sum: 2,553,992
Digit sum: 28
Digital root: 1

Number bases

Decimal: 1820728
Binary: 110111100100000111000 (21 bits)
Octal: 0o6744070
Hexadecimal: 0x1BC838

Divisor catalog (64)

12478131426284152566182911041221641822442873283644274885335747287938541,0661,1481,5861,7082,1322,2962,5013,1723,4163,7314,2645,0025,5516,3447,46210,00411,10214,92417,50720,00822,20429,84832,51335,01444,40865,02670,028130,052140,056227,591

Showing 60 of 64.

Collatz trajectory (158 steps)

Even: n → n/2; Odd: n → 3n + 1

1,820,728910,364455,182227,591682,774341,3871,024,162512,0811,536,244768,122384,0611,152,184576,092288,046144,023432,070216,035648,106324,053972,160486,080243,040121,52060,76030,38015,1907,59522,78611,39334,18017,0908,54525,63612,8186,40919,2289,6144,80714,4227,21121,63410,81732,45216,2268,11324,34012,1706,08518,2569,1284,5642,2821,1413,4241,712856428214107322

Showing 60 of 60.