Base | Representation |
---|---|
bin | 1010011101011001000110 |
3 | 12011022002021 |
4 | 22131121012 |
5 | 1200214310 |
6 | 134433354 |
7 | 32206450 |
oct | 12353106 |
9 | 5138067 |
10 | 2741830 |
11 | 1602a83 |
12 | b0285a |
13 | 74ccb0 |
14 | 5152d0 |
15 | 3925da |
hex | 29d646 |
2741830 has 64 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 823680.
The previous prime is 2741821. The next prime is 2741867. The reversal of 2741830 is 381472.
2741830 = T104 + T105 + ... + T259.
2741830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 2741795 and 2741804.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 20865 + ... + 20995.
It is an arithmetic number, because the mean of its divisors is an integer number (99792).
22741830 is an apocalyptic number.
2741830 is an abundant number, since it is smaller than the sum of its proper divisors (3644858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2741830 is a wasteful number, since it uses less digits than its factorization.
2741830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 2741830 is about 1655.8472151742. The cubic root of 2741830 is about 139.9630855055.
The spelling of 2741830 in words is "two million, seven hundred forty-one thousand, eight hundred thirty".
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