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982020 = 2235131259
BaseRepresentation
bin11101111110000000100
31211220002010
43233300010
5222411040
633014220
711230014
oct3576004
91756063
10982020
11610896
123b4370
13284ca0
141b7c44
15145e80
hexefc04

982020 has 48 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 241536.

The previous prime is 981983. The next prime is 982021. The reversal of 982020 is 20289.

982020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (982021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2982020 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 982020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481760).

982020 is an abundant number, since it is smaller than the sum of its proper divisors (1981500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

982020 is a wasteful number, since it uses less digits than its factorization.

982020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 982020 is about 990.9692225291. The cubic root of 982020 is about 99.3970383463.

The spelling of 982020 in words is "nine hundred eighty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1259 2518 3777 5036 6295 7554 12590 15108 16367 18885 25180 32734 37770 49101 65468 75540 81835 98202 163670 196404 245505 327340 491010 982020