Base | Representation |
---|---|
bin | 11101111011111011101 |
3 | 1211211121202 |
4 | 3233133131 |
5 | 222342312 |
6 | 33005245 |
7 | 11223635 |
oct | 3573735 |
9 | 1754552 |
10 | 980957 |
11 | 61000a |
12 | 3b3825 |
13 | 284663 |
14 | 1b76c5 |
15 | 1459c2 |
hex | ef7dd |
980957 has 2 divisors, whose sum is σ = 980958. Its totient is φ = 980956.
The previous prime is 980921. The next prime is 980963. The reversal of 980957 is 759089.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 674041 + 306916 = 821^2 + 554^2 .
It is an emirp because it is prime and its reverse (759089) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 980957 - 26 = 980893 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 980957.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980957.
It is not a weakly prime, because it can be changed into another prime (980557) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490478 + 490479.
It is an arithmetic number, because the mean of its divisors is an integer number (490479).
2980957 is an apocalyptic number.
It is an amenable number.
980957 is a deficient number, since it is larger than the sum of its proper divisors (1).
980957 is an equidigital number, since it uses as much as digits as its factorization.
980957 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22680, while the sum is 38.
The square root of 980957 is about 990.4327337078. The cubic root of 980957 is about 99.3611608697.
The spelling of 980957 in words is "nine hundred eighty thousand, nine hundred fifty-seven".
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