Base | Representation |
---|---|
bin | 11011000101101… |
… | …110001000001001 |
3 | 1011200012012111212 |
4 | 123011232020021 |
5 | 1412322000424 |
6 | 113033102505 |
7 | 14156024444 |
oct | 3305561011 |
9 | 1150165455 |
10 | 454484489 |
11 | 2135a9a18 |
12 | 108257a35 |
13 | 73209c44 |
14 | 4450865b |
15 | 29d7710e |
hex | 1b16e209 |
454484489 has 2 divisors, whose sum is σ = 454484490. Its totient is φ = 454484488.
The previous prime is 454484447. The next prime is 454484507. The reversal of 454484489 is 984484454.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 452838400 + 1646089 = 21280^2 + 1283^2 .
It is a cyclic number.
It is not a de Polignac number, because 454484489 - 228 = 186049033 is a prime.
It is a super-2 number, since 2×4544844892 = 413112301483182242, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (454486489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227242244 + 227242245.
It is an arithmetic number, because the mean of its divisors is an integer number (227242245).
Almost surely, 2454484489 is an apocalyptic number.
It is an amenable number.
454484489 is a deficient number, since it is larger than the sum of its proper divisors (1).
454484489 is an equidigital number, since it uses as much as digits as its factorization.
454484489 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2949120, while the sum is 50.
The square root of 454484489 is about 21318.6418188401. The cubic root of 454484489 is about 768.8465831105.
The spelling of 454484489 in words is "four hundred fifty-four million, four hundred eighty-four thousand, four hundred eighty-nine".
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