Base | Representation |
---|---|
bin | 1100001011101… |
… | …01100001011011 |
3 | 21010021221202221 |
4 | 12011311201123 |
5 | 202130140433 |
6 | 14050204511 |
7 | 2350425325 |
oct | 605654133 |
9 | 233257687 |
10 | 102193243 |
11 | 5275a329 |
12 | 2a283737 |
13 | 18230b99 |
14 | d802615 |
15 | 8e8972d |
hex | 617585b |
102193243 has 2 divisors, whose sum is σ = 102193244. Its totient is φ = 102193242.
The previous prime is 102193219. The next prime is 102193253. The reversal of 102193243 is 342391201.
It is a strong prime.
It is an emirp because it is prime and its reverse (342391201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102193243 - 213 = 102185051 is a prime.
It is not a weakly prime, because it can be changed into another prime (102193253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51096621 + 51096622.
It is an arithmetic number, because the mean of its divisors is an integer number (51096622).
Almost surely, 2102193243 is an apocalyptic number.
102193243 is a deficient number, since it is larger than the sum of its proper divisors (1).
102193243 is an equidigital number, since it uses as much as digits as its factorization.
102193243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 102193243 is about 10109.0673654893. The cubic root of 102193243 is about 467.5277503617.
The spelling of 102193243 in words is "one hundred two million, one hundred ninety-three thousand, two hundred forty-three".
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