Base | Representation |
---|---|
bin | 11010001110100… |
… | …01011110110111 |
3 | 120022222200120012 |
4 | 31013101132313 |
5 | 422310313143 |
6 | 33455330435 |
7 | 5311025543 |
oct | 1507213667 |
9 | 508880505 |
10 | 220010423 |
11 | 1032100a6 |
12 | 61820a1b |
13 | 367723a9 |
14 | 21310a23 |
15 | 144ad418 |
hex | d1d17b7 |
220010423 has 2 divisors, whose sum is σ = 220010424. Its totient is φ = 220010422.
The previous prime is 220010389. The next prime is 220010437. The reversal of 220010423 is 324010022.
It is an a-pointer prime, because the next prime (220010437) can be obtained adding 220010423 to its sum of digits (14).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 220010423 - 212 = 220006327 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220010398 and 220010407.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (220015423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005211 + 110005212.
It is an arithmetic number, because the mean of its divisors is an integer number (110005212).
Almost surely, 2220010423 is an apocalyptic number.
220010423 is a deficient number, since it is larger than the sum of its proper divisors (1).
220010423 is an equidigital number, since it uses as much as digits as its factorization.
220010423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 220010423 is about 14832.7483292881. The cubic root of 220010423 is about 603.6906071168.
Adding to 220010423 its reverse (324010022), we get a palindrome (544020445).
The spelling of 220010423 in words is "two hundred twenty million, ten thousand, four hundred twenty-three".
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