Base | Representation |
---|---|
bin | 110000101000… |
… | …111000101110 |
3 | 212222210020101 |
4 | 300220320232 |
5 | 11231003012 |
6 | 1133141314 |
7 | 213243061 |
oct | 60507056 |
9 | 25883211 |
10 | 12750382 |
11 | 7219607 |
12 | 432a83a |
13 | 2845708 |
14 | 199c8d8 |
15 | 11bcd57 |
hex | c28e2e |
12750382 has 4 divisors (see below), whose sum is σ = 19125576. Its totient is φ = 6375190.
The previous prime is 12750379. The next prime is 12750383. The reversal of 12750382 is 28305721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28305721 = 1823 ⋅15527.
It is a super-2 number, since 2×127503822 = 325144482291848, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12750382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12750383) 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 as a sum of consecutive naturals, namely, 3187594 + ... + 3187597.
It is an arithmetic number, because the mean of its divisors is an integer number (4781394).
Almost surely, 212750382 is an apocalyptic number.
12750382 is a deficient number, since it is larger than the sum of its proper divisors (6375194).
12750382 is an equidigital number, since it uses as much as digits as its factorization.
12750382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6375193.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 12750382 is about 3570.7677045700. The cubic root of 12750382 is about 233.6187695050.
The spelling of 12750382 in words is "twelve million, seven hundred fifty thousand, three hundred eighty-two".
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