Base | Representation |
---|---|
bin | 101110101111… |
… | …110101000000 |
3 | 212001121001102 |
4 | 232233311000 |
5 | 11114121103 |
6 | 1114353532 |
7 | 206106326 |
oct | 56576500 |
9 | 25047042 |
10 | 12254528 |
11 | 6a10010 |
12 | 412b8a8 |
13 | 2700b00 |
14 | 18add16 |
15 | 1120e88 |
hex | bafd40 |
12254528 has 84 divisors (see below), whose sum is σ = 29004768. Its totient is φ = 5091840.
The previous prime is 12254521. The next prime is 12254537. The reversal of 12254528 is 82545221.
It is a self number, because there is not a number n which added to its sum of digits gives 12254528.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12254521) 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 11 ways as a sum of consecutive naturals, for example, 118925 + ... + 119027.
Almost surely, 212254528 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12254528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14502384).
12254528 is an abundant number, since it is smaller than the sum of its proper divisors (16750240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12254528 is a wasteful number, since it uses less digits than its factorization.
12254528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152 (or 129 counting only the distinct ones).
The product of its digits is 6400, while the sum is 29.
The square root of 12254528 is about 3500.6467973790. The cubic root of 12254528 is about 230.5502139007.
Adding to 12254528 its reverse (82545221), we get a palindrome (94799749).
The spelling of 12254528 in words is "twelve million, two hundred fifty-four thousand, five hundred twenty-eight".
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