Base | Representation |
---|---|
bin | 10111100100110011001000 |
3 | 102121222102101 |
4 | 113210303020 |
5 | 3040230130 |
6 | 340243144 |
7 | 103346416 |
oct | 27446310 |
9 | 12558371 |
10 | 6180040 |
11 | 3541179 |
12 | 20a04b4 |
13 | 1384c39 |
14 | b6c2b6 |
15 | 8211ca |
hex | 5e4cc8 |
6180040 has 16 divisors (see below), whose sum is σ = 13905180. Its totient is φ = 2472000.
The previous prime is 6180037. The next prime is 6180047. The reversal of 6180040 is 400816.
It can be written as a sum of positive squares in 2 ways, for example, as 5943844 + 236196 = 2438^2 + 486^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (6180047) 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 3 ways as a sum of consecutive naturals, for example, 77211 + ... + 77290.
Almost surely, 26180040 is an apocalyptic number.
It is an amenable number.
6180040 is an abundant number, since it is smaller than the sum of its proper divisors (7725140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6180040 is a wasteful number, since it uses less digits than its factorization.
6180040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154512 (or 154508 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 6180040 is about 2485.9686240981. The cubic root of 6180040 is about 183.5117015210.
Adding to 6180040 its reverse (400816), we get a palindrome (6580856).
The spelling of 6180040 in words is "six million, one hundred eighty thousand, forty".
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