Base | Representation |
---|---|
bin | 101011110101… |
… | …0010110111101 |
3 | 1121020111200012 |
4 | 1113222112331 |
5 | 21340330104 |
6 | 2140313005 |
7 | 366220112 |
oct | 127522675 |
9 | 47214605 |
10 | 22980029 |
11 | 11a76266 |
12 | 7842765 |
13 | 49b7967 |
14 | 30a2909 |
15 | 203dd6e |
hex | 15ea5bd |
22980029 has 2 divisors, whose sum is σ = 22980030. Its totient is φ = 22980028.
The previous prime is 22980011. The next prime is 22980037. The reversal of 22980029 is 92008922.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15984004 + 6996025 = 3998^2 + 2645^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22980029 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22979977 and 22980004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22950029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490014 + 11490015.
It is an arithmetic number, because the mean of its divisors is an integer number (11490015).
Almost surely, 222980029 is an apocalyptic number.
It is an amenable number.
22980029 is a deficient number, since it is larger than the sum of its proper divisors (1).
22980029 is an equidigital number, since it uses as much as digits as its factorization.
22980029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 22980029 is about 4793.7489504562. The cubic root of 22980029 is about 284.3043627478.
The spelling of 22980029 in words is "twenty-two million, nine hundred eighty thousand, twenty-nine".
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