Base | Representation |
---|---|
bin | 1110101100100… |
… | …10110110000100 |
3 | 22120222112001020 |
4 | 13112102312010 |
5 | 223030103433 |
6 | 20122231140 |
7 | 3024622050 |
oct | 726226604 |
9 | 276875036 |
10 | 123284868 |
11 | 63655823 |
12 | 353554b0 |
13 | 1c707135 |
14 | 12532c60 |
15 | ac53cb3 |
hex | 7592d84 |
123284868 has 48 divisors (see below), whose sum is σ = 336787584. Its totient is φ = 34364160.
The previous prime is 123284857. The next prime is 123284873. The reversal of 123284868 is 868482321.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 14455 + ... + 21342.
It is an arithmetic number, because the mean of its divisors is an integer number (7016408).
Almost surely, 2123284868 is an apocalyptic number.
It is an amenable number.
123284868 is an abundant number, since it is smaller than the sum of its proper divisors (213502716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123284868 is a wasteful number, since it uses less digits than its factorization.
123284868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35852 (or 35850 counting only the distinct ones).
The product of its digits is 147456, while the sum is 42.
The square root of 123284868 is about 11103.3719202772. The cubic root of 123284868 is about 497.7026175686.
The spelling of 123284868 in words is "one hundred twenty-three million, two hundred eighty-four thousand, eight hundred sixty-eight".
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