Base | Representation |
---|---|
bin | 11000111101011010110110 |
3 | 110022102100110 |
4 | 120331122312 |
5 | 3133334110 |
6 | 352123450 |
7 | 106420614 |
oct | 30753266 |
9 | 13272313 |
10 | 6543030 |
11 | 376996a |
12 | 2236586 |
13 | 1481220 |
14 | c246b4 |
15 | 893a20 |
hex | 63d6b6 |
6543030 has 64 divisors (see below), whose sum is σ = 17821440. Its totient is φ = 1524096.
The previous prime is 6543029. The next prime is 6543059. The reversal of 6543030 is 303456.
It is a super-2 number, since 2×65430302 = 85622483161800, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 6542988 and 6543006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6969 + ... + 7851.
It is an arithmetic number, because the mean of its divisors is an integer number (278460).
Almost surely, 26543030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6543030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8910720).
6543030 is an abundant number, since it is smaller than the sum of its proper divisors (11278410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6543030 is a wasteful number, since it uses less digits than its factorization.
6543030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 6543030 is about 2557.9347137877. The cubic root of 6543030 is about 187.0364728157.
Adding to 6543030 its reverse (303456), we get a palindrome (6846486).
The spelling of 6543030 in words is "six million, five hundred forty-three thousand, thirty".
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