Base | Representation |
---|---|
bin | 111101000010011… |
… | …010000111001101 |
3 | 2122100220200202001 |
4 | 331002122013031 |
5 | 4044123311141 |
6 | 245340432301 |
7 | 34243131334 |
oct | 7502320715 |
9 | 2570820661 |
10 | 1024041421 |
11 | 486054527 |
12 | 246b48691 |
13 | 134206c90 |
14 | 9a008d1b |
15 | 5ed7ea31 |
hex | 3d09a1cd |
1024041421 has 4 divisors (see below), whose sum is σ = 1102813852. Its totient is φ = 945268992.
The previous prime is 1024041413. The next prime is 1024041433. The reversal of 1024041421 is 1241404201.
1024041421 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 62173225 + 961868196 = 7885^2 + 31014^2 .
It is a cyclic number.
It is not a de Polignac number, because 1024041421 - 23 = 1024041413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1024041401) 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, 39386196 + ... + 39386221.
It is an arithmetic number, because the mean of its divisors is an integer number (275703463).
Almost surely, 21024041421 is an apocalyptic number.
It is an amenable number.
1024041421 is a deficient number, since it is larger than the sum of its proper divisors (78772431).
1024041421 is an equidigital number, since it uses as much as digits as its factorization.
1024041421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78772430.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 1024041421 is about 32000.6471965803. The cubic root of 1024041421 is about 1007.9504301467.
Adding to 1024041421 its reverse (1241404201), we get a palindrome (2265445622).
The spelling of 1024041421 in words is "one billion, twenty-four million, forty-one thousand, four hundred twenty-one".
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