Base | Representation |
---|---|
bin | 101011100000… |
… | …0000011110001 |
3 | 1120220201000011 |
4 | 1113000003301 |
5 | 21314304034 |
6 | 2132454521 |
7 | 364566016 |
oct | 127000361 |
9 | 46821004 |
10 | 22806769 |
11 | 11968077 |
12 | 777a441 |
13 | 4956b3b |
14 | 305970d |
15 | 2007864 |
hex | 15c00f1 |
22806769 has 2 divisors, whose sum is σ = 22806770. Its totient is φ = 22806768.
The previous prime is 22806761. The next prime is 22806781. The reversal of 22806769 is 96760822.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18447025 + 4359744 = 4295^2 + 2088^2 .
It is a cyclic number.
It is not a de Polignac number, because 22806769 - 23 = 22806761 is a prime.
It is a super-3 number, since 3×228067693 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (22806761) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403384 + 11403385.
It is an arithmetic number, because the mean of its divisors is an integer number (11403385).
Almost surely, 222806769 is an apocalyptic number.
It is an amenable number.
22806769 is a deficient number, since it is larger than the sum of its proper divisors (1).
22806769 is an equidigital number, since it uses as much as digits as its factorization.
22806769 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 22806769 is about 4775.6433074508. The cubic root of 22806769 is about 283.5880466872.
The spelling of 22806769 in words is "twenty-two million, eight hundred six thousand, seven hundred sixty-nine".
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