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539987760 = 2432513311861
BaseRepresentation
bin100000001011111…
…000111100110000
31101122002012221200
4200023320330300
52101214102020
6125325451200
716244551224
oct4013707460
91348065850
10539987760
11257899884
12130a10b00
1387b461b0
1451a04784
1532616590
hex202f8f30

539987760 has 240 divisors, whose sum is σ = 2017037568. Its totient is φ = 128563200.

The previous prime is 539987759. The next prime is 539987783. The reversal of 539987760 is 67789935.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 539987697 and 539987706.

It is an unprimeable 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 in 47 ways as a sum of consecutive naturals, for example, 289230 + ... + 291090.

Almost surely, 2539987760 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 539987760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008518784).

539987760 is an abundant number, since it is smaller than the sum of its proper divisors (1477049808).

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

539987760 is a wasteful number, since it uses less digits than its factorization.

539987760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 539987760 is about 23237.6367128846. The cubic root of 539987760 is about 814.3191322521.

The spelling of 539987760 in words is "five hundred thirty-nine million, nine hundred eighty-seven thousand, seven hundred sixty".