Base | Representation |
---|---|
bin | 1111000100010… |
… | …00011010101101 |
3 | 22210211011120210 |
4 | 13202020122231 |
5 | 224323403020 |
6 | 20312533033 |
7 | 3063164541 |
oct | 742103255 |
9 | 283734523 |
10 | 126387885 |
11 | 653850a8 |
12 | 363b1179 |
13 | 20252640 |
14 | 12adda21 |
15 | b1683e0 |
hex | 78886ad |
126387885 has 32 divisors (see below), whose sum is σ = 218937600. Its totient is φ = 61890048.
The previous prime is 126387847. The next prime is 126387889. The reversal of 126387885 is 588783621.
126387885 is nontrivially palindromic in base 14.
It is not a de Polignac number, because 126387885 - 27 = 126387757 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126387889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37177 + ... + 40433.
It is an arithmetic number, because the mean of its divisors is an integer number (6841800).
Almost surely, 2126387885 is an apocalyptic number.
126387885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
126387885 is a deficient number, since it is larger than the sum of its proper divisors (92549715).
126387885 is a wasteful number, since it uses less digits than its factorization.
126387885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3477.
The product of its digits is 645120, while the sum is 48.
The square root of 126387885 is about 11242.2366546875. The cubic root of 126387885 is about 501.8437064699.
The spelling of 126387885 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, eight hundred eighty-five".
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