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540125863 = 1928427677
BaseRepresentation
bin100000001100011…
…010101010100111
31101122100020101121
4200030122222213
52101233011423
6125332434411
716245664654
oct4014325247
91348306347
10540125863
11257983612
12130a78a07
1387b94004
1451a3cc2b
153264245d
hex2031aaa7

540125863 has 4 divisors (see below), whose sum is σ = 568553560. Its totient is φ = 511698168.

The previous prime is 540125857. The next prime is 540125879. The reversal of 540125863 is 368521045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540125863 - 225 = 506571431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540125563) 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 3 ways as a sum of consecutive naturals, for example, 14213820 + ... + 14213857.

It is an arithmetic number, because the mean of its divisors is an integer number (142138390).

Almost surely, 2540125863 is an apocalyptic number.

540125863 is a deficient number, since it is larger than the sum of its proper divisors (28427697).

540125863 is a wasteful number, since it uses less digits than its factorization.

540125863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28427696.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 540125863 is about 23240.6080600315. The cubic root of 540125863 is about 814.3885476089.

The spelling of 540125863 in words is "five hundred forty million, one hundred twenty-five thousand, eight hundred sixty-three".

Divisors: 1 19 28427677 540125863