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540757471 = 1731809263
BaseRepresentation
bin100000001110110…
…100110111011111
31101200112022210111
4200032310313133
52101413214341
6125354150451
716254235252
oct4016646737
91350468714
10540757471
11258275101
12131122427
1388055647
1451b65099
1532719681
hex203b4ddf

540757471 has 4 divisors (see below), whose sum is σ = 572566752. Its totient is φ = 508948192.

The previous prime is 540757453. The next prime is 540757489. The reversal of 540757471 is 174757045.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (540757453) and next prime (540757489).

It is a cyclic number.

It is not a de Polignac number, because 540757471 - 29 = 540756959 is a prime.

It is a super-3 number, since 3×5407574713 (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540757411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15904615 + ... + 15904648.

It is an arithmetic number, because the mean of its divisors is an integer number (143141688).

Almost surely, 2540757471 is an apocalyptic number.

540757471 is a deficient number, since it is larger than the sum of its proper divisors (31809281).

540757471 is a wasteful number, since it uses less digits than its factorization.

540757471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31809280.

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 540757471 is about 23254.1925467215. The cubic root of 540757471 is about 814.7058649781.

The spelling of 540757471 in words is "five hundred forty million, seven hundred fifty-seven thousand, four hundred seventy-one".

Divisors: 1 17 31809263 540757471