Base | Representation |
---|---|
bin | 11010111100111110100001 |
3 | 111021222001101 |
4 | 122330332201 |
5 | 3302044010 |
6 | 411234401 |
7 | 114025066 |
oct | 32747641 |
9 | 14258041 |
10 | 7065505 |
11 | 3a96467 |
12 | 2448a01 |
13 | 1604c95 |
14 | d1cc6d |
15 | 94873a |
hex | 6bcfa1 |
7065505 has 8 divisors (see below), whose sum is σ = 8505000. Its totient is φ = 5634816.
The previous prime is 7065503. The next prime is 7065533. The reversal of 7065505 is 5055607.
It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 6411024 = 809^2 + 2532^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7065505 - 21 = 7065503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7065503) 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, 280 + ... + 3769.
It is an arithmetic number, because the mean of its divisors is an integer number (1063125).
Almost surely, 27065505 is an apocalyptic number.
It is an amenable number.
7065505 is a deficient number, since it is larger than the sum of its proper divisors (1439495).
7065505 is a wasteful number, since it uses less digits than its factorization.
7065505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4403.
The product of its (nonzero) digits is 5250, while the sum is 28.
The square root of 7065505 is about 2658.1017662986. The cubic root of 7065505 is about 191.8879645136.
The spelling of 7065505 in words is "seven million, sixty-five thousand, five hundred five".
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