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543986980 = 22543837621
BaseRepresentation
bin100000011011001…
…001010100100100
31101220121101211221
4200123021110210
52103230040410
6125551310124
716323545605
oct4033112444
91356541757
10543986980
1125a080519
1213221b344
13889165b4
1452365dac
1532b564da
hex206c9524

543986980 has 48 divisors (see below), whose sum is σ = 1183178304. Its totient is φ = 209946240.

The previous prime is 543986953. The next prime is 543986983. The reversal of 543986980 is 89689345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (543986983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67570 + ... + 75190.

It is an arithmetic number, because the mean of its divisors is an integer number (24649548).

Almost surely, 2543986980 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 543986980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591589152).

543986980 is an abundant number, since it is smaller than the sum of its proper divisors (639191324).

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

543986980 is a wasteful number, since it uses less digits than its factorization.

543986980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 543986980 is about 23323.5284637638. The cubic root of 543986980 is about 816.3245076907.

The spelling of 543986980 in words is "five hundred forty-three million, nine hundred eighty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 83 86 166 172 215 332 415 430 830 860 1660 3569 7138 7621 14276 15242 17845 30484 35690 38105 71380 76210 152420 327703 632543 655406 1265086 1310812 1638515 2530172 3162715 3277030 6325430 6554060 12650860 27199349 54398698 108797396 135996745 271993490 543986980