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540365885 = 5685715761
BaseRepresentation
bin100000001101010…
…101010000111101
31101122210102122022
4200031111100331
52101313202020
6125341525525
716251014513
oct4015252075
91348712568
10540365885
11258027984
12130b738a5
1387c49337
1451aa24b3
153268d625
hex2035543d

540365885 has 8 divisors (see below), whose sum is σ = 648574776. Its totient is φ = 432202240.

The previous prime is 540365869. The next prime is 540365923. The reversal of 540365885 is 588563045.

It can be written as a sum of positive squares in 4 ways, for example, as 872356 + 539493529 = 934^2 + 23227^2 .

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

It is not a de Polignac number, because 540365885 - 24 = 540365869 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26405 + ... + 42165.

It is an arithmetic number, because the mean of its divisors is an integer number (81071847).

Almost surely, 2540365885 is an apocalyptic number.

It is an amenable number.

540365885 is a deficient number, since it is larger than the sum of its proper divisors (108208891).

540365885 is a wasteful number, since it uses less digits than its factorization.

540365885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 540365885 is about 23245.7713358796. The cubic root of 540365885 is about 814.5091628420.

The spelling of 540365885 in words is "five hundred forty million, three hundred sixty-five thousand, eight hundred eighty-five".

Divisors: 1 5 6857 15761 34285 78805 108073177 540365885