Base | Representation |
---|---|
bin | 101111110010… |
… | …100110111101 |
3 | 212120111021021 |
4 | 233302212331 |
5 | 11201344221 |
6 | 1124304141 |
7 | 211325650 |
oct | 57624675 |
9 | 25514237 |
10 | 12528061 |
11 | 7087577 |
12 | 4242051 |
13 | 2798470 |
14 | 1941897 |
15 | 1177041 |
hex | bf29bd |
12528061 has 16 divisors (see below), whose sum is σ = 15920128. Its totient is φ = 9590400.
The previous prime is 12528037. The next prime is 12528067. The reversal of 12528061 is 16082521.
It is a cyclic number.
It is not a de Polignac number, because 12528061 - 221 = 10430909 is a prime.
It is the 3540-th Hogben number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12528067) by changing a digit.
It is a nontrivial repunit in base 3539.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601 + ... + 5041.
It is an arithmetic number, because the mean of its divisors is an integer number (995008).
Almost surely, 212528061 is an apocalyptic number.
It is an amenable number.
12528061 is a deficient number, since it is larger than the sum of its proper divisors (3392067).
12528061 is a wasteful number, since it uses less digits than its factorization.
12528061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4492.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 12528061 is about 3539.5001059472. The cubic root of 12528061 is about 232.2529753902.
The spelling of 12528061 in words is "twelve million, five hundred twenty-eight thousand, sixty-one".
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