Base | Representation |
---|---|
bin | 11101111010111100001 |
3 | 1211210220221 |
4 | 3233113201 |
5 | 222333244 |
6 | 33003041 |
7 | 11222311 |
oct | 3572741 |
9 | 1753827 |
10 | 980449 |
11 | 60a698 |
12 | 3b3481 |
13 | 284362 |
14 | 1b7441 |
15 | 145784 |
hex | ef5e1 |
980449 has 2 divisors, whose sum is σ = 980450. Its totient is φ = 980448.
The previous prime is 980431. The next prime is 980459. The reversal of 980449 is 944089.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 589824 + 390625 = 768^2 + 625^2 .
It is a cyclic number.
It is not a de Polignac number, because 980449 - 25 = 980417 is a prime.
It is a super-2 number, since 2×9804492 = 1922560483202, which contains 22 as substring.
980449 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (980459) 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, 490224 + 490225.
It is an arithmetic number, because the mean of its divisors is an integer number (490225).
2980449 is an apocalyptic number.
It is an amenable number.
980449 is a deficient number, since it is larger than the sum of its proper divisors (1).
980449 is an equidigital number, since it uses as much as digits as its factorization.
980449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 980449 is about 990.1762469379. The cubic root of 980449 is about 99.3440061302.
The spelling of 980449 in words is "nine hundred eighty thousand, four hundred forty-nine".
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