Base | Representation |
---|---|
bin | 100110100010… |
… | …000111101100 |
3 | 201000012021120 |
4 | 212202013230 |
5 | 10041214403 |
6 | 1000300540 |
7 | 151600434 |
oct | 46420754 |
9 | 21005246 |
10 | 10101228 |
11 | 577a225 |
12 | 3471750 |
13 | 2128977 |
14 | 14ad2c4 |
15 | d47e53 |
hex | 9a21ec |
10101228 has 24 divisors (see below), whose sum is σ = 23792832. Its totient is φ = 3335184.
The previous prime is 10101227. The next prime is 10101239. The reversal of 10101228 is 82210101.
It is not an unprimeable number, because it can be changed into a prime (10101227) 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 in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 5217.
It is an arithmetic number, because the mean of its divisors is an integer number (991368).
Almost surely, 210101228 is an apocalyptic number.
It is an amenable number.
10101228 is an abundant number, since it is smaller than the sum of its proper divisors (13691604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10101228 is a wasteful number, since it uses less digits than its factorization.
10101228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7981 (or 7979 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 10101228 is about 3178.2429107921. The cubic root of 10101228 is about 216.1679934523.
Adding to 10101228 its reverse (82210101), we get a palindrome (92311329).
The spelling of 10101228 in words is "ten million, one hundred one thousand, two hundred twenty-eight".
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