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8282828 = 223166797
BaseRepresentation
bin11111100110001011001100
3120120210220102
4133212023030
54110022303
6453310232
7130255121
oct37461314
916523812
108282828
114748014
122935378
1319400a8
141158748
15ad9288
hex7e62cc

8282828 has 12 divisors (see below), whose sum is σ = 14962752. Its totient is φ = 4007760.

The previous prime is 8282821. The next prime is 8282831.

8282828 is nontrivially palindromic in base 10.

It is an Ulam number.

8282828 is an undulating number in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8282791 and 8282800.

It is not an unprimeable number, because it can be changed into a prime (8282821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33275 + ... + 33522.

It is an arithmetic number, because the mean of its divisors is an integer number (1246896).

Almost surely, 28282828 is an apocalyptic number.

It is an amenable number.

8282828 is a deficient number, since it is larger than the sum of its proper divisors (6679924).

8282828 is a wasteful number, since it uses less digits than its factorization.

8282828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66832 (or 66830 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 8282828 is about 2877.9902710051. The cubic root of 8282828 is about 202.3296581009.

The spelling of 8282828 in words is "eight million, two hundred eighty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 31 62 124 66797 133594 267188 2070707 4141414 8282828