Base | Representation |
---|---|
bin | 10110111000001… |
… | …100000101000101 |
3 | 222202020111102201 |
4 | 112320030011011 |
5 | 1241230001133 |
6 | 102030434501 |
7 | 12340325632 |
oct | 2670140505 |
9 | 882214381 |
10 | 383828293 |
11 | 18772a972 |
12 | a8662a31 |
13 | 6169b844 |
14 | 38d95189 |
15 | 23a6bd7d |
hex | 16e0c145 |
383828293 has 2 divisors, whose sum is σ = 383828294. Its totient is φ = 383828292.
The previous prime is 383828257. The next prime is 383828309. The reversal of 383828293 is 392828383.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 366837409 + 16990884 = 19153^2 + 4122^2 .
It is an emirp because it is prime and its reverse (392828383) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 383828293 - 217 = 383697221 is a prime.
It is a super-3 number, since 3×3838282933 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (383828243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191914146 + 191914147.
It is an arithmetic number, because the mean of its divisors is an integer number (191914147).
Almost surely, 2383828293 is an apocalyptic number.
It is an amenable number.
383828293 is a deficient number, since it is larger than the sum of its proper divisors (1).
383828293 is an equidigital number, since it uses as much as digits as its factorization.
383828293 is an evil number, because the sum of its binary digits is even.
The product of its digits is 497664, while the sum is 46.
The square root of 383828293 is about 19591.5362593136. The cubic root of 383828293 is about 726.7398833679.
It can be divided in two parts, 3838 and 28293, that added together give a triangular number (32131 = T253).
The spelling of 383828293 in words is "three hundred eighty-three million, eight hundred twenty-eight thousand, two hundred ninety-three".
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