Base | Representation |
---|---|
bin | 100010111000100001001 |
3 | 2011001222011 |
4 | 10113010021 |
5 | 243034144 |
6 | 40255521 |
7 | 12500335 |
oct | 4270411 |
9 | 2131864 |
10 | 1143049 |
11 | 710876 |
12 | 4715a1 |
13 | 31037b |
14 | 21a7c5 |
15 | 178a34 |
hex | 117109 |
1143049 has 2 divisors, whose sum is σ = 1143050. Its totient is φ = 1143048.
The previous prime is 1143047. The next prime is 1143053. The reversal of 1143049 is 9403411.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1071225 + 71824 = 1035^2 + 268^2 .
It is an emirp because it is prime and its reverse (9403411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1143049 - 21 = 1143047 is a prime.
It is a super-2 number, since 2×11430492 = 2613122032802, which contains 22 as substring.
Together with 1143047, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1143047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571524 + 571525.
It is an arithmetic number, because the mean of its divisors is an integer number (571525).
21143049 is an apocalyptic number.
It is an amenable number.
1143049 is a deficient number, since it is larger than the sum of its proper divisors (1).
1143049 is an equidigital number, since it uses as much as digits as its factorization.
1143049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 1143049 is about 1069.1346968460. The cubic root of 1143049 is about 104.5574419204.
The spelling of 1143049 in words is "one million, one hundred forty-three thousand, forty-nine".
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