Base | Representation |
---|---|
bin | 110011110001… |
… | …0001101111001 |
3 | 1220001220102200 |
4 | 1213202031321 |
5 | 23422002420 |
6 | 2405420413 |
7 | 446460144 |
oct | 147421571 |
9 | 56056380 |
10 | 27140985 |
11 | 14358473 |
12 | 910a709 |
13 | 5813871 |
14 | 386705b |
15 | 25b1b90 |
hex | 19e2379 |
27140985 has 12 divisors (see below), whose sum is σ = 47044452. Its totient is φ = 14475168.
The previous prime is 27140983. The next prime is 27141031. The reversal of 27140985 is 58904172.
It can be written as a sum of positive squares in 2 ways, for example, as 6456681 + 20684304 = 2541^2 + 4548^2 .
It is not a de Polignac number, because 27140985 - 21 = 27140983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (27140983) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301522 + ... + 301611.
It is an arithmetic number, because the mean of its divisors is an integer number (3920371).
Almost surely, 227140985 is an apocalyptic number.
It is an amenable number.
27140985 is a deficient number, since it is larger than the sum of its proper divisors (19903467).
27140985 is a wasteful number, since it uses less digits than its factorization.
27140985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603144 (or 603141 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 27140985 is about 5209.7010470851. The cubic root of 27140985 is about 300.5212604340.
The spelling of 27140985 in words is "twenty-seven million, one hundred forty thousand, nine hundred eighty-five".
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