Base | Representation |
---|---|
bin | 101110101111… |
… | …011111001000 |
3 | 212001112010120 |
4 | 232233133020 |
5 | 11114100003 |
6 | 1114343240 |
7 | 206102256 |
oct | 56573710 |
9 | 25045116 |
10 | 12253128 |
11 | 6a09a58 |
12 | 412ab20 |
13 | 2700294 |
14 | 18ad5d6 |
15 | 1120853 |
hex | baf7c8 |
12253128 has 32 divisors (see below), whose sum is σ = 30861600. Its totient is φ = 4053888.
The previous prime is 12253127. The next prime is 12253133. The reversal of 12253128 is 82135221.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 12253098 and 12253107.
It is not an unprimeable number, because it can be changed into a prime (12253127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 5172.
It is an arithmetic number, because the mean of its divisors is an integer number (964425).
Almost surely, 212253128 is an apocalyptic number.
It is an amenable number.
12253128 is an abundant number, since it is smaller than the sum of its proper divisors (18608472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12253128 is a wasteful number, since it uses less digits than its factorization.
12253128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3821 (or 3817 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 12253128 is about 3500.4468286206. The cubic root of 12253128 is about 230.5414339463.
Adding to 12253128 its reverse (82135221), we get a palindrome (94388349).
The spelling of 12253128 in words is "twelve million, two hundred fifty-three thousand, one hundred twenty-eight".
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