Base | Representation |
---|---|
bin | 1011011001010101000001 |
3 | 12121202211211 |
4 | 23121111001 |
5 | 1231043304 |
6 | 144010121 |
7 | 34251262 |
oct | 13312501 |
9 | 5552754 |
10 | 2987329 |
11 | 1760474 |
12 | 1000941 |
13 | 807967 |
14 | 57a969 |
15 | 3e0204 |
hex | 2d9541 |
2987329 has 4 divisors (see below), whose sum is σ = 3031984. Its totient is φ = 2942676.
The previous prime is 2987297. The next prime is 2987371. The reversal of 2987329 is 9237892.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2987329 - 25 = 2987297 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2987291 and 2987300.
It is not an unprimeable number, because it can be changed into a prime (2987429) 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, 22227 + ... + 22360.
It is an arithmetic number, because the mean of its divisors is an integer number (757996).
22987329 is an apocalyptic number.
It is an amenable number.
2987329 is a deficient number, since it is larger than the sum of its proper divisors (44655).
2987329 is an equidigital number, since it uses as much as digits as its factorization.
2987329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44654.
The product of its digits is 54432, while the sum is 40.
The square root of 2987329 is about 1728.3891344255. The cubic root of 2987329 is about 144.0216177679.
The spelling of 2987329 in words is "two million, nine hundred eighty-seven thousand, three hundred twenty-nine".
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