Base | Representation |
---|---|
bin | 111001010010110… |
… | …1001001000101001 |
3 | 11221222110121122221 |
4 | 1302211221020221 |
5 | 12414123023231 |
6 | 514433114041 |
7 | 65432505043 |
oct | 16245511051 |
9 | 4858417587 |
10 | 1922470441 |
11 | 8a7203551 |
12 | 4579b8921 |
13 | 2483a0598 |
14 | 143476a93 |
15 | b3b9ad11 |
hex | 72969229 |
1922470441 has 2 divisors, whose sum is σ = 1922470442. Its totient is φ = 1922470440.
The previous prime is 1922470439. The next prime is 1922470471. The reversal of 1922470441 is 1440742291.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1920280041 + 2190400 = 43821^2 + 1480^2 .
It is an emirp because it is prime and its reverse (1440742291) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1922470441 - 21 = 1922470439 is a prime.
Together with 1922470439, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1922470397 and 1922470406.
It is not a weakly prime, because it can be changed into another prime (1922470471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961235220 + 961235221.
It is an arithmetic number, because the mean of its divisors is an integer number (961235221).
Almost surely, 21922470441 is an apocalyptic number.
It is an amenable number.
1922470441 is a deficient number, since it is larger than the sum of its proper divisors (1).
1922470441 is an equidigital number, since it uses as much as digits as its factorization.
1922470441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 1922470441 is about 43845.9854604729. The cubic root of 1922470441 is about 1243.4258457582.
The spelling of 1922470441 in words is "one billion, nine hundred twenty-two million, four hundred seventy thousand, four hundred forty-one".
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