Base | Representation |
---|---|
bin | 101011100000… |
… | …1100110000101 |
3 | 1120221000122012 |
4 | 1113001212011 |
5 | 21320004221 |
6 | 2132544005 |
7 | 364623245 |
oct | 127014605 |
9 | 46830565 |
10 | 22813061 |
11 | 11971877 |
12 | 7782005 |
13 | 495996b |
14 | 305bb25 |
15 | 200965b |
hex | 15c1985 |
22813061 has 2 divisors, whose sum is σ = 22813062. Its totient is φ = 22813060.
The previous prime is 22813039. The next prime is 22813069. The reversal of 22813061 is 16031822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19088161 + 3724900 = 4369^2 + 1930^2 .
It is a cyclic number.
It is not a de Polignac number, because 22813061 - 210 = 22812037 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22813069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11406530 + 11406531.
It is an arithmetic number, because the mean of its divisors is an integer number (11406531).
Almost surely, 222813061 is an apocalyptic number.
It is an amenable number.
22813061 is a deficient number, since it is larger than the sum of its proper divisors (1).
22813061 is an equidigital number, since it uses as much as digits as its factorization.
22813061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 22813061 is about 4776.3020214388. The cubic root of 22813061 is about 283.6141233302.
Adding to 22813061 its reverse (16031822), we get a palindrome (38844883).
The spelling of 22813061 in words is "twenty-two million, eight hundred thirteen thousand, sixty-one".
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