Base | Representation |
---|---|
bin | 1010000001001… |
… | …1101100111101 |
3 | 2221002000201212 |
4 | 2200103230331 |
5 | 41224224431 |
6 | 4100414205 |
7 | 1020124124 |
oct | 240235475 |
9 | 87060655 |
10 | 42023741 |
11 | 217a3071 |
12 | 120a7365 |
13 | 8924a26 |
14 | 581cabb |
15 | 3a5172b |
hex | 2813b3d |
42023741 has 2 divisors, whose sum is σ = 42023742. Its totient is φ = 42023740.
The previous prime is 42023669. The next prime is 42023743. The reversal of 42023741 is 14732024.
42023741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27931225 + 14092516 = 5285^2 + 3754^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42023741 is a prime.
Together with 42023743, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42023743) 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 as a sum of consecutive naturals, namely, 21011870 + 21011871.
It is an arithmetic number, because the mean of its divisors is an integer number (21011871).
Almost surely, 242023741 is an apocalyptic number.
It is an amenable number.
42023741 is a deficient number, since it is larger than the sum of its proper divisors (1).
42023741 is an equidigital number, since it uses as much as digits as its factorization.
42023741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 42023741 is about 6482.5720975551. The cubic root of 42023741 is about 347.6681476666.
Adding to 42023741 its reverse (14732024), we get a palindrome (56755765).
The spelling of 42023741 in words is "forty-two million, twenty-three thousand, seven hundred forty-one".
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