Base | Representation |
---|---|
bin | 100110001101010… |
… | …1001111110001000 |
3 | 10022100102012022020 |
4 | 1030122221332020 |
5 | 10111201243242 |
6 | 331114524440 |
7 | 43525203543 |
oct | 11432517610 |
9 | 3270365266 |
10 | 1282056072 |
11 | 5a8761780 |
12 | 2b9436720 |
13 | 1757c467b |
14 | c23ad85a |
15 | 778486ec |
hex | 4c6a9f88 |
1282056072 has 32 divisors (see below), whose sum is σ = 3496517280. Its totient is φ = 388501760.
The previous prime is 1282056053. The next prime is 1282056089. The reversal of 1282056072 is 2706502821.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427873 + ... + 2428400.
It is an arithmetic number, because the mean of its divisors is an integer number (109266165).
Almost surely, 21282056072 is an apocalyptic number.
1282056072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1282056072 is an abundant number, since it is smaller than the sum of its proper divisors (2214461208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1282056072 is a wasteful number, since it uses less digits than its factorization.
1282056072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4856293 (or 4856289 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 1282056072 is about 35805.8105899029. The cubic root of 1282056072 is about 1086.3480937667.
Adding to 1282056072 its reverse (2706502821), we get a palindrome (3988558893).
The spelling of 1282056072 in words is "one billion, two hundred eighty-two million, fifty-six thousand, seventy-two".
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