Base | Representation |
---|---|
bin | 1100101101011… |
… | …10110011100101 |
3 | 21102121222010200 |
4 | 12112232303211 |
5 | 204243402211 |
6 | 14325141113 |
7 | 2433162561 |
oct | 626566345 |
9 | 242558120 |
10 | 106622181 |
11 | 55204906 |
12 | 2b85a799 |
13 | 19121a63 |
14 | 102366a1 |
15 | 9561b56 |
hex | 65aece5 |
106622181 has 48 divisors (see below), whose sum is σ = 174545280. Its totient is φ = 62346240.
The previous prime is 106622161. The next prime is 106622189. The reversal of 106622181 is 181226601.
It is not a de Polignac number, because 106622181 - 213 = 106613989 is a prime.
It is a super-2 number, since 2×1066221812 = 22736578962393522, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106622189) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143910 + ... + 144648.
It is an arithmetic number, because the mean of its divisors is an integer number (3636360).
Almost surely, 2106622181 is an apocalyptic number.
It is an amenable number.
106622181 is a deficient number, since it is larger than the sum of its proper divisors (67923099).
106622181 is a wasteful number, since it uses less digits than its factorization.
106622181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 826 (or 823 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 106622181 is about 10325.8017122159. The cubic root of 106622181 is about 474.1865019437.
Adding to 106622181 its reverse (181226601), we get a palindrome (287848782).
The spelling of 106622181 in words is "one hundred six million, six hundred twenty-two thousand, one hundred eighty-one".
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