Base | Representation |
---|---|
bin | 101010001101… |
… | …0110101101101 |
3 | 1112122022200201 |
4 | 1110122311231 |
5 | 21131130104 |
6 | 2110153501 |
7 | 356050015 |
oct | 124326555 |
9 | 45568621 |
10 | 22130029 |
11 | 11545689 |
12 | 74b2891 |
13 | 477aabc |
14 | 2d20c45 |
15 | 1e220a4 |
hex | 151ad6d |
22130029 has 2 divisors, whose sum is σ = 22130030. Its totient is φ = 22130028.
The previous prime is 22129999. The next prime is 22130047. The reversal of 22130029 is 92003122.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17656804 + 4473225 = 4202^2 + 2115^2 .
It is a cyclic number.
It is not a de Polignac number, because 22130029 - 27 = 22129901 is a prime.
It is a plaindrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 22129988 and 22130015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22130089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065014 + 11065015.
It is an arithmetic number, because the mean of its divisors is an integer number (11065015).
Almost surely, 222130029 is an apocalyptic number.
It is an amenable number.
22130029 is a deficient number, since it is larger than the sum of its proper divisors (1).
22130029 is an equidigital number, since it uses as much as digits as its factorization.
22130029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 22130029 is about 4704.2564768516. The cubic root of 22130029 is about 280.7548889865.
The spelling of 22130029 in words is "twenty-two million, one hundred thirty thousand, twenty-nine".
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