Base | Representation |
---|---|
bin | 1011000011100000111110 |
3 | 12110020021200 |
4 | 23003200332 |
5 | 1220213412 |
6 | 142040330 |
7 | 33426633 |
oct | 13034076 |
9 | 5406250 |
10 | 2897982 |
11 | 16aa32a |
12 | b790a6 |
13 | 7a60a9 |
14 | 55618a |
15 | 3c39dc |
hex | 2c383e |
2897982 has 24 divisors (see below), whose sum is σ = 6332040. Its totient is φ = 957840.
The previous prime is 2897981. The next prime is 2897989.
2897982 is nontrivially palindromic in base 10.
2897982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1744 + ... + 2972.
It is an arithmetic number, because the mean of its divisors is an integer number (263835).
22897982 is an apocalyptic number.
2897982 is an abundant number, since it is smaller than the sum of its proper divisors (3434058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2897982 is a wasteful number, since it uses less digits than its factorization.
2897982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1368 (or 1365 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 2897982 is about 1702.3460282798. The cubic root of 2897982 is about 142.5712293943.
The spelling of 2897982 in words is "two million, eight hundred ninety-seven thousand, nine hundred eighty-two".
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