Base | Representation |
---|---|
bin | 11101111011111110100 |
3 | 1211211122121 |
4 | 3233133310 |
5 | 222342410 |
6 | 33005324 |
7 | 11224000 |
oct | 3573764 |
9 | 1754577 |
10 | 980980 |
11 | 610030 |
12 | 3b3844 |
13 | 284680 |
14 | 1b7700 |
15 | 1459da |
hex | ef7f4 |
980980 has 96 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 282240.
The previous prime is 980963. The next prime is 980999. The reversal of 980980 is 89089.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75454 + ... + 75466.
It is an arithmetic number, because the mean of its divisors is an integer number (29400).
2980980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 980980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411200).
980980 is an abundant number, since it is smaller than the sum of its proper divisors (1841420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
980980 is a wasteful number, since it uses less digits than its factorization.
980980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54 (or 38 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 980980 is about 990.4443447261. Note that the first 3 decimals coincide. The cubic root of 980980 is about 99.3619374205.
It can be divided in two parts, 9809 and 80, that added together give a palindrome (9889).
The spelling of 980980 in words is "nine hundred eighty thousand, nine hundred eighty".
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