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540756831 = 3414396397
BaseRepresentation
bin100000001110110…
…100101101011111
31101200112021220210
4200032310231133
52101413204311
6125354143503
716254233346
oct4016645537
91350467823
10540756831
1125827467a
12131121b93
1388055274
1451b64b5d
15327193a6
hex203b4b5f

540756831 has 8 divisors (see below), whose sum is σ = 738594864. Its totient is φ = 351711680.

The previous prime is 540756809. The next prime is 540756833. The reversal of 540756831 is 138657045.

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 540756831 - 26 = 540756767 is a prime.

It is a super-2 number, since 2×5407568312 = 584835900546325122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540756831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540756833) 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, 2198076 + ... + 2198321.

It is an arithmetic number, because the mean of its divisors is an integer number (92324358).

Almost surely, 2540756831 is an apocalyptic number.

540756831 is a deficient number, since it is larger than the sum of its proper divisors (197838033).

540756831 is a wasteful number, since it uses less digits than its factorization.

540756831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396441.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 540756831 is about 23254.1787857581. The cubic root of 540756831 is about 814.7055435697.

It can be divided in two parts, 54075 and 6831, that added together give a palindrome (60906).

The spelling of 540756831 in words is "five hundred forty million, seven hundred fifty-six thousand, eight hundred thirty-one".

Divisors: 1 3 41 123 4396397 13189191 180252277 540756831