Base | Representation |
---|---|
bin | 110001000010… |
… | …010111011001 |
3 | 220012002101200 |
4 | 301002113121 |
5 | 11242322440 |
6 | 1135304413 |
7 | 214156251 |
oct | 61022731 |
9 | 26162350 |
10 | 12854745 |
11 | 728aa62 |
12 | 437b109 |
13 | 2881077 |
14 | 19c8961 |
15 | 11ddc30 |
hex | c425d9 |
12854745 has 12 divisors (see below), whose sum is σ = 22281636. Its totient is φ = 6855840.
The previous prime is 12854741. The next prime is 12854747. The reversal of 12854745 is 54745821.
It can be written as a sum of positive squares in 2 ways, for example, as 8838729 + 4016016 = 2973^2 + 2004^2 .
It is not a de Polignac number, because 12854745 - 22 = 12854741 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12854741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142786 + ... + 142875.
It is an arithmetic number, because the mean of its divisors is an integer number (1856803).
Almost surely, 212854745 is an apocalyptic number.
12854745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12854745 is a deficient number, since it is larger than the sum of its proper divisors (9426891).
12854745 is a wasteful number, since it uses less digits than its factorization.
12854745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285672 (or 285669 counting only the distinct ones).
The product of its digits is 44800, while the sum is 36.
The square root of 12854745 is about 3585.3514472085. The cubic root of 12854745 is about 234.2544350574.
The spelling of 12854745 in words is "twelve million, eight hundred fifty-four thousand, seven hundred forty-five".
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