Base | Representation |
---|---|
bin | 1000001111100110000011 |
3 | 11001210101001 |
4 | 20033212003 |
5 | 1023123102 |
6 | 114152431 |
7 | 24240241 |
oct | 10174603 |
9 | 4053331 |
10 | 2161027 |
11 | 1246680 |
12 | 882717 |
13 | 5a881b |
14 | 403791 |
15 | 2ca487 |
hex | 20f983 |
2161027 has 8 divisors (see below), whose sum is σ = 2391552. Its totient is φ = 1936200.
The previous prime is 2161007. The next prime is 2161031. The reversal of 2161027 is 7201612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2161027 - 211 = 2158979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2160995 and 2161013.
It is not an unprimeable number, because it can be changed into a prime (2161007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 2164.
It is an arithmetic number, because the mean of its divisors is an integer number (298944).
22161027 is an apocalyptic number.
2161027 is a deficient number, since it is larger than the sum of its proper divisors (230525).
2161027 is a wasteful number, since it uses less digits than its factorization.
2161027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2849.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 2161027 is about 1470.0431966442. The cubic root of 2161027 is about 129.2865652338.
Adding to 2161027 its reverse (7201612), we get a palindrome (9362639).
The spelling of 2161027 in words is "two million, one hundred sixty-one thousand, twenty-seven".
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