Base | Representation |
---|---|
bin | 100010001001… |
… | …0001000010101 |
3 | 1020200102020221 |
4 | 1010102020111 |
5 | 14040300203 |
6 | 1435354341 |
7 | 305101513 |
oct | 104221025 |
9 | 36612227 |
10 | 17900053 |
11 | a116636 |
12 | 5bb29b1 |
13 | 3929662 |
14 | 253d4b3 |
15 | 1888abd |
hex | 1112215 |
17900053 has 2 divisors, whose sum is σ = 17900054. Its totient is φ = 17900052.
The previous prime is 17900027. The next prime is 17900059. The reversal of 17900053 is 35000971.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17783089 + 116964 = 4217^2 + 342^2 .
It is an emirp because it is prime and its reverse (35000971) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 17900053 - 25 = 17900021 is a prime.
It is a plaindrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (17900059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8950026 + 8950027.
It is an arithmetic number, because the mean of its divisors is an integer number (8950027).
Almost surely, 217900053 is an apocalyptic number.
It is an amenable number.
17900053 is a deficient number, since it is larger than the sum of its proper divisors (1).
17900053 is an equidigital number, since it uses as much as digits as its factorization.
17900053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 945, while the sum is 25.
The square root of 17900053 is about 4230.8454237894. The cubic root of 17900053 is about 261.5881735887.
The spelling of 17900053 in words is "seventeen million, nine hundred thousand, fifty-three".
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