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540741 = 3180247
BaseRepresentation
bin10000100000001000101
31000110202110
42010001011
5114300431
615331233
74411335
oct2040105
91013673
10540741
1133a2a3
12220b19
1315c186
141010c5
15aa346
hex84045

540741 has 4 divisors (see below), whose sum is σ = 720992. Its totient is φ = 360492.

The previous prime is 540713. The next prime is 540751. The reversal of 540741 is 147045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 540741 - 26 = 540677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540741.

It is not an unprimeable number, because it can be changed into a prime (540751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90121 + ... + 90126.

It is an arithmetic number, because the mean of its divisors is an integer number (180248).

2540741 is an apocalyptic number.

It is an amenable number.

540741 is a deficient number, since it is larger than the sum of its proper divisors (180251).

540741 is a wasteful number, since it uses less digits than its factorization.

540741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180250.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 540741 is about 735.3509366282. The cubic root of 540741 is about 81.4697593151.

Adding to 540741 its reverse (147045), we get a palindrome (687786).

The spelling of 540741 in words is "five hundred forty thousand, seven hundred forty-one".

Divisors: 1 3 180247 540741