Base | Representation |
---|---|
bin | 1000010000100111011110 |
3 | 11002000010010 |
4 | 20100213132 |
5 | 1023241324 |
6 | 114224050 |
7 | 24255402 |
oct | 10204736 |
9 | 4060103 |
10 | 2165214 |
11 | 1249837 |
12 | 885026 |
13 | 5aa6bc |
14 | 405102 |
15 | 2cb829 |
hex | 2109de |
2165214 has 8 divisors (see below), whose sum is σ = 4330440. Its totient is φ = 721736.
The previous prime is 2165213. The next prime is 2165231. The reversal of 2165214 is 4125612.
It is a sphenic number, since it is the product of 3 distinct primes.
2165214 is an admirable number.
It is an Ulam number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2165213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180429 + ... + 180440.
It is an arithmetic number, because the mean of its divisors is an integer number (541305).
22165214 is an apocalyptic number.
2165214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2165214 is a wasteful number, since it uses less digits than its factorization.
2165214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360874.
The product of its digits is 480, while the sum is 21.
The square root of 2165214 is about 1471.4666153196. The cubic root of 2165214 is about 129.3700091426.
The spelling of 2165214 in words is "two million, one hundred sixty-five thousand, two hundred fourteen".
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