Base | Representation |
---|---|
bin | 110101010101… |
… | …0111011111010 |
3 | 1221121200012111 |
4 | 1222222323322 |
5 | 24124310010 |
6 | 2435202534 |
7 | 456453106 |
oct | 152527372 |
9 | 57550174 |
10 | 27963130 |
11 | 1486a128 |
12 | 944644a |
13 | 5a40b40 |
14 | 39dc906 |
15 | 26c558a |
hex | 1aaaefa |
27963130 has 32 divisors (see below), whose sum is σ = 57398544. Its totient is φ = 9716736.
The previous prime is 27963127. The next prime is 27963203. The reversal of 27963130 is 3136972.
It can be written as a sum of positive squares in 8 ways, for example, as 2531281 + 25431849 = 1591^2 + 5043^2 .
It is a junction number, because it is equal to n+sod(n) for n = 27963092 and 27963101.
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, 4117 + ... + 8536.
Almost surely, 227963130 is an apocalyptic number.
27963130 is an abundant number, since it is smaller than the sum of its proper divisors (29435414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27963130 is a wasteful number, since it uses less digits than its factorization.
27963130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12690.
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 27963130 is about 5288.0175869602. The cubic root of 27963130 is about 303.5255540764.
The spelling of 27963130 in words is "twenty-seven million, nine hundred sixty-three thousand, one hundred thirty".
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