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538085611 = 7210981339
BaseRepresentation
bin100000000100101…
…000100011101011
31101111111120200201
4200010220203223
52100222214421
6125221013031
716222436500
oct4004504353
91344446621
10538085611
1125680a758
12130254177
138762b46b
145166b4a7
153238cb91
hex201288eb

538085611 has 6 divisors (see below), whose sum is σ = 625936380. Its totient is φ = 461216196.

The previous prime is 538085609. The next prime is 538085623. The reversal of 538085611 is 116580835.

It is not a de Polignac number, because 538085611 - 21 = 538085609 is a prime.

It is a super-2 number, since 2×5380856112 = 579072249530486642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538085671) 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 5 ways as a sum of consecutive naturals, for example, 5490621 + ... + 5490718.

It is an arithmetic number, because the mean of its divisors is an integer number (104322730).

Almost surely, 2538085611 is an apocalyptic number.

538085611 is a deficient number, since it is larger than the sum of its proper divisors (87850769).

538085611 is a wasteful number, since it uses less digits than its factorization.

538085611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981353 (or 10981346 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 538085611 is about 23196.6724122233. The cubic root of 538085611 is about 813.3618397732.

The spelling of 538085611 in words is "five hundred thirty-eight million, eighty-five thousand, six hundred eleven".

Divisors: 1 7 49 10981339 76869373 538085611