Search a number
-
+
540727 = 1149157
BaseRepresentation
bin10000100000000110111
31000110201221
42010000313
5114300402
615331211
74411315
oct2040067
91013657
10540727
1133a290
12220b07
1315c175
141010b5
15aa337
hex84037

540727 has 4 divisors (see below), whose sum is σ = 589896. Its totient is φ = 491560.

The previous prime is 540713. The next prime is 540751. The reversal of 540727 is 727045.

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 540727 - 27 = 540599 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 (541727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24568 + ... + 24589.

It is an arithmetic number, because the mean of its divisors is an integer number (147474).

2540727 is an apocalyptic number.

540727 is a deficient number, since it is larger than the sum of its proper divisors (49169).

540727 is a wasteful number, since it uses less digits than its factorization.

540727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49168.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 540727 is about 735.3414173022. The cubic root of 540727 is about 81.4690562142.

The spelling of 540727 in words is "five hundred forty thousand, seven hundred twenty-seven".

Divisors: 1 11 49157 540727