Base | Representation |
---|---|
bin | 11000111101001100110010 |
3 | 110022101010010 |
4 | 120331030302 |
5 | 3133322010 |
6 | 352115350 |
7 | 106415160 |
oct | 30751462 |
9 | 13271103 |
10 | 6542130 |
11 | 3769221 |
12 | 2235b56 |
13 | 14809aa |
14 | c24230 |
15 | 893620 |
hex | 63d332 |
6542130 has 32 divisors (see below), whose sum is σ = 17944704. Its totient is φ = 1495296.
The previous prime is 6542119. The next prime is 6542131. The reversal of 6542130 is 312456.
It is a happy number.
6542130 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
6542130 is strictly pandigital in base 8.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 6542097 and 6542106.
It is not an unprimeable number, because it can be changed into a prime (6542131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15367 + ... + 15786.
It is an arithmetic number, because the mean of its divisors is an integer number (560772).
Almost surely, 26542130 is an apocalyptic number.
6542130 is an abundant number, since it is smaller than the sum of its proper divisors (11402574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6542130 is a wasteful number, since it uses less digits than its factorization.
6542130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31170.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 6542130 is about 2557.7587845612. The cubic root of 6542130 is about 187.0278967408.
Adding to 6542130 its reverse (312456), we get a palindrome (6854586).
It can be divided in two parts, 65 and 42130, that added together give a triangular number (42195 = T290).
The spelling of 6542130 in words is "six million, five hundred forty-two thousand, one hundred thirty".
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