Base | Representation |
---|---|
bin | 1011000011100000111111 |
3 | 12110020021201 |
4 | 23003200333 |
5 | 1220213413 |
6 | 142040331 |
7 | 33426634 |
oct | 13034077 |
9 | 5406251 |
10 | 2897983 |
11 | 16aa330 |
12 | b790a7 |
13 | 7a60aa |
14 | 55618b |
15 | 3c39dd |
hex | 2c383f |
2897983 has 8 divisors (see below), whose sum is σ = 3191760. Its totient is φ = 2609280.
The previous prime is 2897981. The next prime is 2897989. The reversal of 2897983 is 3897982.
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 2897983 - 21 = 2897981 is a prime.
2897983 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2897981) 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, 10 + ... + 2407.
It is an arithmetic number, because the mean of its divisors is an integer number (398970).
22897983 is an apocalyptic number.
2897983 is a deficient number, since it is larger than the sum of its proper divisors (293777).
2897983 is a wasteful number, since it uses less digits than its factorization.
2897983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2537.
The product of its digits is 217728, while the sum is 46.
The square root of 2897983 is about 1702.3463219921. The cubic root of 2897983 is about 142.5712457932.
Subtracting 2897983 from its reverse (3897982), we obtain a palindrome (999999).
The spelling of 2897983 in words is "two million, eight hundred ninety-seven thousand, nine hundred eighty-three".
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