Base | Representation |
---|---|
bin | 11111000001000001011111 |
3 | 120022002011101 |
4 | 133001001133 |
5 | 4040140110 |
6 | 450133531 |
7 | 126052351 |
oct | 37010137 |
9 | 16262141 |
10 | 8130655 |
11 | 4653755 |
12 | 28812a7 |
13 | 18b8a50 |
14 | 11190d1 |
15 | aa913a |
hex | 7c105f |
8130655 has 16 divisors (see below), whose sum is σ = 10755360. Its totient is φ = 5862528.
The previous prime is 8130631. The next prime is 8130673. The reversal of 8130655 is 5560318.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8130655 is a prime.
It is a super-2 number, since 2×81306552 = 132215101458050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 4249.
It is an arithmetic number, because the mean of its divisors is an integer number (672210).
Almost surely, 28130655 is an apocalyptic number.
8130655 is a deficient number, since it is larger than the sum of its proper divisors (2624705).
8130655 is a wasteful number, since it uses less digits than its factorization.
8130655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2970.
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 8130655 is about 2851.4303428280. The cubic root of 8130655 is about 201.0829175319.
The spelling of 8130655 in words is "eight million, one hundred thirty thousand, six hundred fifty-five".
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