Integer Profile

1,215,820

2^2 × 5 × 31 × 37 × 53

Prime factors, divisor sums, positional representations and sequence properties for 1,215,820. The prime factorization is 2^2 × 5 × 31 × 37 × 53.

Number of positive divisors: 48. Showing the recorded part of the sequence: 129.

AbundantEvenComposite

Collatz trajectory (129 steps)

Even: n → n/2; Odd: n → 3n + 1

1,215,820607,910303,955911,866455,9331,367,800683,900341,950170,975512,926256,463769,390384,6951,154,086577,0431,731,130865,5652,596,6961,298,348649,174324,587973,762486,8811,460,644730,322365,1611,095,484547,742273,871821,614410,8071,232,422616,2111,848,634924,3172,772,9521,386,476693,238346,6191,039,858519,9291,559,788779,894389,9471,169,842584,9211,754,764877,382438,6911,316,074658,0371,974,112987,056493,528246,764123,38261,691185,07492,537277,612

Showing 60 of 60.

Prime factorization

Factorization: 2^2 × 5 × 31 × 37 × 53
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 48
Divisor sum: 2,757,888
Proper-divisor sum: 1,542,068
Digit sum: 19
Digital root: 1

Number bases

Decimal: 1215820
Binary: 100101000110101001100 (21 bits)
Octal: 0o4506514
Hexadecimal: 0x128D4C

Divisor catalog (48)

1245102031375362741061241481551852122653103705306207401,0601,1471,6431,9612,2943,2863,9224,5885,7356,5727,8448,2159,80511,47016,43019,61022,94032,86039,22060,791121,582243,164303,955607,9101,215,820

Showing 48 of 48.