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28282828248 = 2332643610913
BaseRepresentation
bin11010010101110010…
…011011010111011000
32201000002010112120100
4122111302123113120
5430410401000443
620554251055400
72020606034133
oct322562332730
981002115510
1028282828248
1110aa3a12524
125593a41560
1328896b583c
14152437321a
15b07ed23d3
hex695c9b5d8

28282828248 has 48 divisors (see below), whose sum is σ = 76718580120. Its totient is φ = 9412932096.

The previous prime is 28282828229. The next prime is 28282828283. The reversal of 28282828248 is 84282828282.

It is a happy number.

28282828248 is a `hidden beast` number, since 282 + 8 + 282 + 82 + 4 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28282828194 and 28282828203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259161 + ... + 351752.

Almost surely, 228282828248 is an apocalyptic number.

It is an amenable number.

28282828248 is an abundant number, since it is smaller than the sum of its proper divisors (48435751872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28282828248 is a wasteful number, since it uses less digits than its factorization.

28282828248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611568 (or 611561 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 54.

The spelling of 28282828248 in words is "twenty-eight billion, two hundred eighty-two million, eight hundred twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 643 1286 1929 2572 3858 5144 5787 7716 11574 15432 23148 46296 610913 1221826 1832739 2443652 3665478 4887304 5498217 7330956 10996434 14661912 21992868 43985736 392817059 785634118 1178451177 1571268236 2356902354 3142536472 3535353531 4713804708 7070707062 9427609416 14141414124 28282828248