Base | Representation |
---|---|
bin | 11000101110000011010000 |
3 | 110012012222222 |
4 | 120232003100 |
5 | 3124330310 |
6 | 350520212 |
7 | 106036235 |
oct | 30560320 |
9 | 13165888 |
10 | 6480080 |
11 | 3726642 |
12 | 2206068 |
13 | 145b689 |
14 | c0978c |
15 | 880055 |
hex | 62e0d0 |
6480080 has 20 divisors (see below), whose sum is σ = 15066372. Its totient is φ = 2592000.
The previous prime is 6480053. The next prime is 6480107. The reversal of 6480080 is 800846.
It is an interprime number because it is at equal distance from previous prime (6480053) and next prime (6480107).
It can be written as a sum of positive squares in 2 ways, for example, as 4145296 + 2334784 = 2036^2 + 1528^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a zygodrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40421 + ... + 40580.
Almost surely, 26480080 is an apocalyptic number.
It is an amenable number.
6480080 is an abundant number, since it is smaller than the sum of its proper divisors (8586292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6480080 is a wasteful number, since it uses less digits than its factorization.
6480080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81014 (or 81008 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 26.
The square root of 6480080 is about 2545.6001257071. The cubic root of 6480080 is about 186.4347175720.
The spelling of 6480080 in words is "six million, four hundred eighty thousand, eighty".
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