Base | Representation |
---|---|
bin | 1011001110011110100110 |
3 | 12112111212210 |
4 | 23032132212 |
5 | 1223133021 |
6 | 143024250 |
7 | 34004562 |
oct | 13163646 |
9 | 5474783 |
10 | 2942886 |
11 | 1730041 |
12 | b9b086 |
13 | 7c066b |
14 | 5686a2 |
15 | 3d1e76 |
hex | 2ce7a6 |
2942886 has 8 divisors (see below), whose sum is σ = 5885784. Its totient is φ = 980960.
The previous prime is 2942881. The next prime is 2942909. The reversal of 2942886 is 6882492.
It is a sphenic number, since it is the product of 3 distinct primes.
2942886 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2942881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245235 + ... + 245246.
It is an arithmetic number, because the mean of its divisors is an integer number (735723).
22942886 is an apocalyptic number.
2942886 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.
2942886 is a wasteful number, since it uses less digits than its factorization.
2942886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 490486.
The product of its digits is 55296, while the sum is 39.
The square root of 2942886 is about 1715.4841882104. The cubic root of 2942886 is about 143.3038350449.
It can be divided in two parts, 2942 and 886, that added together give a triangular number (3828 = T87).
The spelling of 2942886 in words is "two million, nine hundred forty-two thousand, eight hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •