Base | Representation |
---|---|
bin | 1000000101101011011101 |
3 | 10222201122211 |
4 | 20011223131 |
5 | 1020323123 |
6 | 113240421 |
7 | 24010651 |
oct | 10055335 |
9 | 3881584 |
10 | 2120413 |
11 | 1219109 |
12 | 863111 |
13 | 5931a9 |
14 | 3d2a61 |
15 | 2bd40d |
hex | 205add |
2120413 has 4 divisors (see below), whose sum is σ = 2127420. Its totient is φ = 2113408.
The previous prime is 2120411. The next prime is 2120423. The reversal of 2120413 is 3140212.
2120413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 1249924 = 933^2 + 1118^2 .
It is a cyclic number.
It is not a de Polignac number, because 2120413 - 21 = 2120411 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 12.
It is a junction number, because it is equal to n+sod(n) for n = 2120393 and 2120402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120411) 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 3 ways as a sum of consecutive naturals, for example, 3028 + ... + 3661.
It is an arithmetic number, because the mean of its divisors is an integer number (531855).
22120413 is an apocalyptic number.
It is an amenable number.
2120413 is a deficient number, since it is larger than the sum of its proper divisors (7007).
2120413 is an equidigital number, since it uses as much as digits as its factorization.
2120413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7006.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2120413 is about 1456.1637957318. The cubic root of 2120413 is about 128.4715072559.
Adding to 2120413 its reverse (3140212), we get a palindrome (5260625).
The spelling of 2120413 in words is "two million, one hundred twenty thousand, four hundred thirteen".
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