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540861841 = 13106339139
BaseRepresentation
bin100000001111001…
…110010110010001
31101200201121222001
4200033032112101
52101430034331
6125400314001
716255151452
oct4017162621
91350647861
10540861841
11258336563
12131172901
1388090cc0
1451b91129
153273a561
hex203ce591

540861841 has 8 divisors (see below), whose sum is σ = 583029440. Its totient is φ = 498774672.

The previous prime is 540861829. The next prime is 540861877. The reversal of 540861841 is 148168045.

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 540861841 - 29 = 540861329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540861841.

It is not an unprimeable number, because it can be changed into a prime (540861641) by changing a digit.

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, 5751 + ... + 33388.

It is an arithmetic number, because the mean of its divisors is an integer number (72878680).

Almost surely, 2540861841 is an apocalyptic number.

It is an amenable number.

540861841 is a deficient number, since it is larger than the sum of its proper divisors (42167599).

540861841 is a wasteful number, since it uses less digits than its factorization.

540861841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40215.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 540861841 is about 23256.4365499102. The cubic root of 540861841 is about 814.7582762628.

The spelling of 540861841 in words is "five hundred forty million, eight hundred sixty-one thousand, eight hundred forty-one".

Divisors: 1 13 1063 13819 39139 508807 41604757 540861841