Base | Representation |
---|---|
bin | 1111000101000… |
… | …00010010011100 |
3 | 22211000010201002 |
4 | 13202200102130 |
5 | 224340020120 |
6 | 20315005432 |
7 | 3064052600 |
oct | 742402234 |
9 | 284003632 |
10 | 126485660 |
11 | 65441604 |
12 | 36439878 |
13 | 20287cb2 |
14 | 12b27500 |
15 | b187375 |
hex | 78a049c |
126485660 has 72 divisors (see below), whose sum is σ = 325296720. Its totient is φ = 41078016.
The previous prime is 126485657. The next prime is 126485669. The reversal of 126485660 is 66584621.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126485669) 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 23 ways as a sum of consecutive naturals, for example, 15224 + ... + 22016.
It is an arithmetic number, because the mean of its divisors is an integer number (4518010).
Almost surely, 2126485660 is an apocalyptic number.
126485660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 126485660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162648360).
126485660 is an abundant number, since it is smaller than the sum of its proper divisors (198811060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126485660 is a wasteful number, since it uses less digits than its factorization.
126485660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6835 (or 6826 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 126485660 is about 11246.5843703766. The cubic root of 126485660 is about 501.9730836401.
The spelling of 126485660 in words is "one hundred twenty-six million, four hundred eighty-five thousand, six hundred sixty".
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