Base | Representation |
---|---|
bin | 101111110010… |
… | …101001010000 |
3 | 212120111110201 |
4 | 233302221100 |
5 | 11201400313 |
6 | 1124304544 |
7 | 211326250 |
oct | 57625120 |
9 | 25514421 |
10 | 12528208 |
11 | 70876a0 |
12 | 4242154 |
13 | 2798554 |
14 | 1941960 |
15 | 11770dd |
hex | bf2a50 |
12528208 has 40 divisors (see below), whose sum is σ = 30265920. Its totient is φ = 4880640.
The previous prime is 12528181. The next prime is 12528211. The reversal of 12528208 is 80282521.
12528208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 6316.
It is an arithmetic number, because the mean of its divisors is an integer number (756648).
Almost surely, 212528208 is an apocalyptic number.
It is an amenable number.
12528208 is an abundant number, since it is smaller than the sum of its proper divisors (17737712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12528208 is a wasteful number, since it uses less digits than its factorization.
12528208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10195 (or 10189 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 12528208 is about 3539.5208715305. The cubic root of 12528208 is about 232.2538837791.
The spelling of 12528208 in words is "twelve million, five hundred twenty-eight thousand, two hundred eight".
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