Base | Representation |
---|---|
bin | 10100100001111… |
… | …100111001001001 |
3 | 220000010121000022 |
4 | 110201330321021 |
5 | 1201134210424 |
6 | 54102350225 |
7 | 11351505224 |
oct | 2441747111 |
9 | 800117008 |
10 | 344444489 |
11 | 167480274 |
12 | 9742b375 |
13 | 5648c60c |
14 | 33a625bb |
15 | 2038c95e |
hex | 1487ce49 |
344444489 has 2 divisors, whose sum is σ = 344444490. Its totient is φ = 344444488.
The previous prime is 344444479. The next prime is 344444533. The reversal of 344444489 is 984444443.
It is an a-pointer prime, because the next prime (344444533) can be obtained adding 344444489 to its sum of digits (44).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 321018889 + 23425600 = 17917^2 + 4840^2 .
It is a cyclic number.
It is not a de Polignac number, because 344444489 - 24 = 344444473 is a prime.
It is a super-2 number, since 2×3444444892 = 237284012004942242, which contains 22 as substring.
It is a plaindrome in base 10.
It is not a weakly prime, because it can be changed into another prime (344444459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172222244 + 172222245.
It is an arithmetic number, because the mean of its divisors is an integer number (172222245).
Almost surely, 2344444489 is an apocalyptic number.
It is an amenable number.
344444489 is a deficient number, since it is larger than the sum of its proper divisors (1).
344444489 is an equidigital number, since it uses as much as digits as its factorization.
344444489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 884736, while the sum is 44.
The square root of 344444489 is about 18559.2157431288. The cubic root of 344444489 is about 700.9812693789.
The spelling of 344444489 in words is "three hundred forty-four million, four hundred forty-four thousand, four hundred eighty-nine".
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