Base | Representation |
---|---|
bin | 11101111010111101000 |
3 | 1211210221012 |
4 | 3233113220 |
5 | 222333311 |
6 | 33003052 |
7 | 11222321 |
oct | 3572750 |
9 | 1753835 |
10 | 980456 |
11 | 60a6a4 |
12 | 3b3488 |
13 | 284369 |
14 | 1b7448 |
15 | 14578b |
hex | ef5e8 |
980456 has 8 divisors (see below), whose sum is σ = 1838370. Its totient is φ = 490224.
The previous prime is 980449. The next prime is 980459. The reversal of 980456 is 654089.
It can be written as a sum of positive squares in only one way, i.e., 792100 + 188356 = 890^2 + 434^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×9804562 = 1922587935872, which contains 22 as substring.
It is a plaindrome in base 15.
It is a zygodrome in base 5.
It is not an unprimeable number, because it can be changed into a prime (980459) by changing a digit.
980456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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, 61271 + ... + 61286.
2980456 is an apocalyptic number.
It is an amenable number.
980456 is a deficient number, since it is larger than the sum of its proper divisors (857914).
980456 is a wasteful number, since it uses less digits than its factorization.
980456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122563 (or 122559 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 980456 is about 990.1797816558. The cubic root of 980456 is about 99.3442425546.
The spelling of 980456 in words is "nine hundred eighty thousand, four hundred fifty-six".
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