Base | Representation |
---|---|
bin | 1110101010011… |
… | …11010011100100 |
3 | 22120110110120022 |
4 | 13111033103210 |
5 | 222442230403 |
6 | 20112254312 |
7 | 3022360400 |
oct | 725172344 |
9 | 276413508 |
10 | 123008228 |
11 | 634869a2 |
12 | 35241398 |
13 | 1c63b245 |
14 | 124a0100 |
15 | abebd38 |
hex | 754f4e4 |
123008228 has 18 divisors (see below), whose sum is σ = 250410006. Its totient is φ = 52717728.
The previous prime is 123008219. The next prime is 123008231. The reversal of 123008228 is 822800321.
123008228 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 67535524 + 55472704 = 8218^2 + 7448^2 .
123008228 is strictly pandigital in base 9.
It is a junction number, because it is equal to n+sod(n) for n = 123008197 and 123008206.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313601 + ... + 313992.
It is an arithmetic number, because the mean of its divisors is an integer number (13911667).
Almost surely, 2123008228 is an apocalyptic number.
It is an amenable number.
123008228 is an abundant number, since it is smaller than the sum of its proper divisors (127401778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123008228 is a wasteful number, since it uses less digits than its factorization.
123008228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627611 (or 627602 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 123008228 is about 11090.9074470938. The cubic root of 123008228 is about 497.3300723495.
Adding to 123008228 its reverse (822800321), we get a palindrome (945808549).
The spelling of 123008228 in words is "one hundred twenty-three million, eight thousand, two hundred twenty-eight".
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