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539987613 = 31121177551
BaseRepresentation
bin100000001011111…
…000111010011101
31101122002012202020
4200023320322131
52101214100423
6125325450353
716244550624
oct4013707235
91348065666
10539987613
11257899760
12130a109b9
1387b460c9
1451a046bb
15326164e3
hex202f8e9d

539987613 has 16 divisors (see below), whose sum is σ = 789169152. Its totient is φ = 325710000.

The previous prime is 539987599. The next prime is 539987659. The reversal of 539987613 is 316789935.

539987613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 539987613 - 29 = 539987101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539987663) 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, 31813 + ... + 45738.

It is an arithmetic number, because the mean of its divisors is an integer number (49323072).

Almost surely, 2539987613 is an apocalyptic number.

It is an amenable number.

539987613 is a deficient number, since it is larger than the sum of its proper divisors (249181539).

539987613 is a wasteful number, since it uses less digits than its factorization.

539987613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77776.

The product of its digits is 1224720, while the sum is 51.

The square root of 539987613 is about 23237.6335499121. The cubic root of 539987613 is about 814.3190583585.

The spelling of 539987613 in words is "five hundred thirty-nine million, nine hundred eighty-seven thousand, six hundred thirteen".

Divisors: 1 3 11 33 211 633 2321 6963 77551 232653 853061 2559183 16363261 49089783 179995871 539987613