Base | Representation |
---|---|
bin | 11000111101011010001100 |
3 | 110022102021220 |
4 | 120331122030 |
5 | 3133333423 |
6 | 352123340 |
7 | 106420524 |
oct | 30753214 |
9 | 13272256 |
10 | 6542988 |
11 | 3769931 |
12 | 2236550 |
13 | 14811ba |
14 | c24684 |
15 | 8939e3 |
hex | 63d68c |
6542988 has 24 divisors (see below), whose sum is σ = 15340080. Its totient is φ = 2170560.
The previous prime is 6542959. The next prime is 6542989. The reversal of 6542988 is 8892456.
6542988 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (6542989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 3938.
It is an arithmetic number, because the mean of its divisors is an integer number (639170).
Almost surely, 26542988 is an apocalyptic number.
It is an amenable number.
6542988 is an abundant number, since it is smaller than the sum of its proper divisors (8797092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6542988 is a wasteful number, since it uses less digits than its factorization.
6542988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2617 (or 2615 counting only the distinct ones).
The product of its digits is 138240, while the sum is 42.
The square root of 6542988 is about 2557.9265040263. The cubic root of 6542988 is about 187.0360726163.
The spelling of 6542988 in words is "six million, five hundred forty-two thousand, nine hundred eighty-eight".
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