Base | Representation |
---|---|
bin | 101111110010… |
… | …101101100101 |
3 | 212120111211222 |
4 | 233302231211 |
5 | 11201402420 |
6 | 1124310125 |
7 | 211330124 |
oct | 57625545 |
9 | 25514758 |
10 | 12528485 |
11 | 7087922 |
12 | 4242345 |
13 | 2798708 |
14 | 1941abb |
15 | 1177225 |
hex | bf2b65 |
12528485 has 8 divisors (see below), whose sum is σ = 15281016. Its totient is φ = 9858240.
The previous prime is 12528469. The next prime is 12528499. The reversal of 12528485 is 58482521.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 11546404 = 991^2 + 3398^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12528485 - 24 = 12528469 is a prime.
It is a Duffinian number.
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, 20234 + ... + 20843.
It is an arithmetic number, because the mean of its divisors is an integer number (1910127).
Almost surely, 212528485 is an apocalyptic number.
It is an amenable number.
12528485 is a deficient number, since it is larger than the sum of its proper divisors (2752531).
12528485 is an equidigital number, since it uses as much as digits as its factorization.
12528485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41143.
The product of its digits is 25600, while the sum is 35.
The square root of 12528485 is about 3539.5600009041. The cubic root of 12528485 is about 232.2555954858.
The spelling of 12528485 in words is "twelve million, five hundred twenty-eight thousand, four hundred eighty-five".
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