Base | Representation |
---|---|
bin | 100010110101… |
… | …000100101111 |
3 | 122011212101210 |
4 | 202311010233 |
5 | 4314132122 |
6 | 523405503 |
7 | 140414625 |
oct | 42650457 |
9 | 18155353 |
10 | 9130287 |
11 | 51767a1 |
12 | 3083893 |
13 | 1b78a4a |
14 | 12d9515 |
15 | c0540c |
hex | 8b512f |
9130287 has 16 divisors (see below), whose sum is σ = 12826368. Its totient is φ = 5765760.
The previous prime is 9130283. The next prime is 9130301. The reversal of 9130287 is 7820319.
It is a happy number.
9130287 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 9130287 - 22 = 9130283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9130283) 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, 7212 + ... + 8382.
It is an arithmetic number, because the mean of its divisors is an integer number (801648).
Almost surely, 29130287 is an apocalyptic number.
9130287 is a deficient number, since it is larger than the sum of its proper divisors (3696081).
9130287 is a wasteful number, since it uses less digits than its factorization.
9130287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1310.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 9130287 is about 3021.6364771428. The cubic root of 9130287 is about 209.0073103217.
The spelling of 9130287 in words is "nine million, one hundred thirty thousand, two hundred eighty-seven".
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