Base | Representation |
---|---|
bin | 1000010000100110011100 |
3 | 11002000000200 |
4 | 20100212130 |
5 | 1023241043 |
6 | 114223500 |
7 | 24255246 |
oct | 10204634 |
9 | 4060020 |
10 | 2165148 |
11 | 1249787 |
12 | 884b90 |
13 | 5aa66b |
14 | 405096 |
15 | 2cb7d3 |
hex | 21099c |
2165148 has 36 divisors (see below), whose sum is σ = 5525520. Its totient is φ = 714816.
The previous prime is 2165147. The next prime is 2165159. The reversal of 2165148 is 8415612.
2165148 is a `hidden beast` number, since 2 + 1 + 651 + 4 + 8 = 666.
2165148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2165143) 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, 4713 + ... + 5151.
22165148 is an apocalyptic number.
It is an amenable number.
2165148 is an abundant number, since it is smaller than the sum of its proper divisors (3360372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2165148 is a wasteful number, since it uses less digits than its factorization.
2165148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586 (or 581 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 2165148 is about 1471.4441885440. Note that the first 3 decimals coincide. The cubic root of 2165148 is about 129.3686946447.
The spelling of 2165148 in words is "two million, one hundred sixty-five thousand, one hundred forty-eight".
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