Search a number
-
+
540705903 = 3187196331
BaseRepresentation
bin100000001110101…
…000010001101111
31101200102201001120
4200032220101233
52101410042103
6125353112023
716253632023
oct4016502157
91350381046
10540705903
1125823a391
121310b8613
138803802a
1451b50383
1532709253
hex203a846f

540705903 has 8 divisors (see below), whose sum is σ = 721334016. Its totient is φ = 360274200.

The previous prime is 540705887. The next prime is 540705923. The reversal of 540705903 is 309507045.

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

It is not a de Polignac number, because 540705903 - 24 = 540705887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540705923) 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, 42553 + ... + 53778.

It is an arithmetic number, because the mean of its divisors is an integer number (90166752).

Almost surely, 2540705903 is an apocalyptic number.

540705903 is a deficient number, since it is larger than the sum of its proper divisors (180628113).

540705903 is a wasteful number, since it uses less digits than its factorization.

540705903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98205.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 540705903 is about 23253.0837309807. The cubic root of 540705903 is about 814.6799666843.

The spelling of 540705903 in words is "five hundred forty million, seven hundred five thousand, nine hundred three".

Divisors: 1 3 1871 5613 96331 288993 180235301 540705903