Base | Representation |
---|---|
bin | 1100001011101… |
… | …11101101010001 |
3 | 21010022102001102 |
4 | 12011313231101 |
5 | 202130432233 |
6 | 14050314145 |
7 | 2350463402 |
oct | 605675521 |
9 | 233272042 |
10 | 102202193 |
11 | 52766025 |
12 | 2a288955 |
13 | 18234c92 |
14 | d8059a9 |
15 | 8e8c1e8 |
hex | 6177b51 |
102202193 has 4 divisors (see below), whose sum is σ = 102767028. Its totient is φ = 101637360.
The previous prime is 102202189. The next prime is 102202201. The reversal of 102202193 is 391202201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391202201 = 13 ⋅30092477.
It can be written as a sum of positive squares in 2 ways, for example, as 7879249 + 94322944 = 2807^2 + 9712^2 .
It is a cyclic number.
It is not a de Polignac number, because 102202193 - 22 = 102202189 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102202123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282146 + ... + 282507.
It is an arithmetic number, because the mean of its divisors is an integer number (25691757).
Almost surely, 2102202193 is an apocalyptic number.
It is an amenable number.
102202193 is a deficient number, since it is larger than the sum of its proper divisors (564835).
102202193 is an equidigital number, since it uses as much as digits as its factorization.
102202193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564834.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 102202193 is about 10109.5100276917. The cubic root of 102202193 is about 467.5413985283.
Adding to 102202193 its reverse (391202201), we get a palindrome (493404394).
The spelling of 102202193 in words is "one hundred two million, two hundred two thousand, one hundred ninety-three".
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