Base | Representation |
---|---|
bin | 11010110000001… |
… | …10110010101001 |
3 | 120122021212120222 |
4 | 31120012302221 |
5 | 424423014311 |
6 | 34134055425 |
7 | 5363364461 |
oct | 1530066251 |
9 | 518255528 |
10 | 224423081 |
11 | 105754423 |
12 | 631aa575 |
13 | 37658a2c |
14 | 21b3cba1 |
15 | 14a80adb |
hex | d606ca9 |
224423081 has 2 divisors, whose sum is σ = 224423082. Its totient is φ = 224423080.
The previous prime is 224423077. The next prime is 224423123. The reversal of 224423081 is 180324422.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 161061481 + 63361600 = 12691^2 + 7960^2 .
It is a cyclic number.
It is not a de Polignac number, because 224423081 - 22 = 224423077 is a prime.
It is a super-2 number, since 2×2244230812 = 100731438571065122, which contains 22 as substring.
It is a Chen prime.
It is equal to p12352904 and since 224423081 and 12352904 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 224423081.
It is not a weakly prime, because it can be changed into another prime (224423011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112211540 + 112211541.
It is an arithmetic number, because the mean of its divisors is an integer number (112211541).
Almost surely, 2224423081 is an apocalyptic number.
It is an amenable number.
224423081 is a deficient number, since it is larger than the sum of its proper divisors (1).
224423081 is an equidigital number, since it uses as much as digits as its factorization.
224423081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3072, while the sum is 26.
The square root of 224423081 is about 14980.7570235953. The cubic root of 224423081 is about 607.6999119657.
The spelling of 224423081 in words is "two hundred twenty-four million, four hundred twenty-three thousand, eighty-one".
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