Base | Representation |
---|---|
bin | 11000110011010001101000 |
3 | 110020022100120 |
4 | 120303101220 |
5 | 3131021410 |
6 | 351203240 |
7 | 106155516 |
oct | 30632150 |
9 | 13208316 |
10 | 6501480 |
11 | 3740727 |
12 | 2216520 |
13 | 146833b |
14 | c134b6 |
15 | 886570 |
hex | 633468 |
6501480 has 64 divisors (see below), whose sum is σ = 20658240. Its totient is φ = 1631232.
The previous prime is 6501431. The next prime is 6501487. The reversal of 6501480 is 841056.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 6501480.
It is not an unprimeable number, because it can be changed into a prime (6501487) 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, 447 + ... + 3633.
It is an arithmetic number, because the mean of its divisors is an integer number (322785).
Almost surely, 26501480 is an apocalyptic number.
6501480 is a gapful number since it is divisible by the number (60) 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 6501480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10329120).
6501480 is an abundant number, since it is smaller than the sum of its proper divisors (14156760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6501480 is a wasteful number, since it uses less digits than its factorization.
6501480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3218 (or 3214 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 6501480 is about 2549.7999921562. The cubic root of 6501480 is about 186.6397211673.
The spelling of 6501480 in words is "six million, five hundred one thousand, four hundred eighty".
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