Integer Profile

1,628,578

2 × 7 × 61 × 1907

Prime factors, divisor sums, positional representations and sequence properties for 1,628,578. The prime factorization is 2 × 7 × 61 × 1907.

Number of positive divisors: 16. Showing the recorded part of the sequence: 207.

DeficientEvenComposite

Arithmetic properties

Positive divisors: 16
Divisor sum: 2,839,104
Proper-divisor sum: 1,210,526
Digit sum: 37
Digital root: 1

Number bases

Decimal: 1628578
Binary: 110001101100110100010 (21 bits)
Octal: 0o6154642
Hexadecimal: 0x18D9A2

Divisor catalog (16)

12714611224278541,9073,81413,34926,698116,327232,654814,2891,628,578

Showing 16 of 16.

Collatz trajectory (207 steps)

Even: n → n/2; Odd: n → 3n + 1

1,628,578814,2892,442,8681,221,434610,7171,832,152916,076458,038229,019687,058343,5291,030,588515,294257,647772,942386,4711,159,414579,7071,739,122869,5612,608,6841,304,342652,1711,956,514978,2572,934,7721,467,386733,6932,201,0801,100,540550,270275,135825,406412,7031,238,110619,0551,857,166928,5832,785,7501,392,8754,178,6262,089,3136,267,9403,133,9701,566,9854,700,9562,350,4781,175,2393,525,7181,762,8595,288,5782,644,2897,932,8683,966,4341,983,2175,949,6522,974,8261,487,4134,462,2402,231,120

Showing 60 of 60.

Prime factorization

Factorization: 2 × 7 × 61 × 1907
Distinct prime factors: 4
Perfect square: No
Parity: Even