Base | Representation |
---|---|
bin | 1100001011101… |
… | …11101101100001 |
3 | 21010022102002000 |
4 | 12011313231201 |
5 | 202130432314 |
6 | 14050314213 |
7 | 2350463424 |
oct | 605675541 |
9 | 233272060 |
10 | 102202209 |
11 | 5276603a |
12 | 2a288969 |
13 | 18234ca5 |
14 | d8059bb |
15 | 8e8c209 |
hex | 6177b61 |
102202209 has 16 divisors (see below), whose sum is σ = 151939200. Its totient is φ = 67897008.
The previous prime is 102202201. The next prime is 102202211. The reversal of 102202209 is 902202201.
It is not a de Polignac number, because 102202209 - 23 = 102202201 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102202191 and 102202200.
It is not an unprimeable number, because it can be changed into a prime (102202201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 14370.
It is an arithmetic number, because the mean of its divisors is an integer number (9496200).
Almost surely, 2102202209 is an apocalyptic number.
It is an amenable number.
102202209 is a deficient number, since it is larger than the sum of its proper divisors (49736991).
102202209 is a wasteful number, since it uses less digits than its factorization.
102202209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13221 (or 13215 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 102202209 is about 10109.5108190258. The cubic root of 102202209 is about 467.5414229265.
The spelling of 102202209 in words is "one hundred two million, two hundred two thousand, two hundred nine".
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