Base | Representation |
---|---|
bin | 101111101010… |
… | …011111110110 |
3 | 212111210200210 |
4 | 233222133312 |
5 | 11144313323 |
6 | 1123450250 |
7 | 211130046 |
oct | 57523766 |
9 | 25453623 |
10 | 12494838 |
11 | 7064614 |
12 | 4226986 |
13 | 27862c5 |
14 | 1933726 |
15 | 116c293 |
hex | bea7f6 |
12494838 has 16 divisors (see below), whose sum is σ = 25122816. Its totient is φ = 4142760.
The previous prime is 12494831. The next prime is 12494851. The reversal of 12494838 is 83849421.
It is a super-2 number, since 2×124948382 = 312241953292488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12494796 and 12494805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12494831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4306 + ... + 6597.
It is an arithmetic number, because the mean of its divisors is an integer number (1570176).
Almost surely, 212494838 is an apocalyptic number.
12494838 is an abundant number, since it is smaller than the sum of its proper divisors (12627978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12494838 is a wasteful number, since it uses less digits than its factorization.
12494838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11099.
The product of its digits is 55296, while the sum is 39.
The square root of 12494838 is about 3534.8038135093. The cubic root of 12494838 is about 232.0474907733.
The spelling of 12494838 in words is "twelve million, four hundred ninety-four thousand, eight hundred thirty-eight".
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