Base | Representation |
---|---|
bin | 11010110000000010000000 |
3 | 111012021022111 |
4 | 122300002000 |
5 | 3243344410 |
6 | 410145104 |
7 | 113414356 |
oct | 32600200 |
9 | 14167274 |
10 | 7012480 |
11 | 3a5a642 |
12 | 2422194 |
13 | 15b6ac7 |
14 | d077d6 |
15 | 937b8a |
hex | 6b0080 |
7012480 has 32 divisors (see below), whose sum is σ = 16765740. Its totient is φ = 2804736.
The previous prime is 7012477. The next prime is 7012487. The reversal of 7012480 is 842107.
It can be written as a sum of positive squares in 2 ways, for example, as 7011904 + 576 = 2648^2 + 24^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (7012487) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839 + ... + 6118.
Almost surely, 27012480 is an apocalyptic number.
It is an amenable number.
7012480 is an abundant number, since it is smaller than the sum of its proper divisors (9753260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7012480 is a wasteful number, since it uses less digits than its factorization.
7012480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10976 (or 10964 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 7012480 is about 2648.1087590958. The cubic root of 7012480 is about 191.4067335515.
Adding to 7012480 its reverse (842107), we get a palindrome (7854587).
The spelling of 7012480 in words is "seven million, twelve thousand, four hundred eighty".
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