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539487143 = 13411012171
BaseRepresentation
bin100000001001111…
…110101110100111
31101121010210020022
4200021332232213
52101102042033
6125311025355
716240364546
oct4011765647
91347123208
10539487143
11257587748
1213080b25b
13879cc380
145191415d
1532568098
hex2027eba7

539487143 has 8 divisors (see below), whose sum is σ = 595157136. Its totient is φ = 485841600.

The previous prime is 539487127. The next prime is 539487161. The reversal of 539487143 is 341784935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539487143 - 24 = 539487127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539487094 and 539487103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539487943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505553 + ... + 506618.

It is an arithmetic number, because the mean of its divisors is an integer number (74394642).

Almost surely, 2539487143 is an apocalyptic number.

539487143 is a deficient number, since it is larger than the sum of its proper divisors (55669993).

539487143 is a wasteful number, since it uses less digits than its factorization.

539487143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012225.

The product of its digits is 362880, while the sum is 44.

The square root of 539487143 is about 23226.8625302687. The cubic root of 539487143 is about 814.0674055304.

The spelling of 539487143 in words is "five hundred thirty-nine million, four hundred eighty-seven thousand, one hundred forty-three".

Divisors: 1 13 41 533 1012171 13158223 41499011 539487143