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540532 = 22177949
BaseRepresentation
bin10000011111101110100
31000110110201
42003331310
5114244112
615330244
74410616
oct2037564
91013421
10540532
1133a123
12220984
1315c055
14100db6
15aa257
hex83f74

540532 has 12 divisors (see below), whose sum is σ = 1001700. Its totient is φ = 254336.

The previous prime is 540517. The next prime is 540539. The reversal of 540532 is 235045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 197136 = 586^2 + 444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907 + ... + 4042.

It is an arithmetic number, because the mean of its divisors is an integer number (83475).

2540532 is an apocalyptic number.

It is an amenable number.

540532 is a deficient number, since it is larger than the sum of its proper divisors (461168).

540532 is a wasteful number, since it uses less digits than its factorization.

540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 540532 is about 735.2088138754. The cubic root of 540532 is about 81.4592617609.

Adding to 540532 its reverse (235045), we get a palindrome (775577).

The spelling of 540532 in words is "five hundred forty thousand, five hundred thirty-two".

Divisors: 1 2 4 17 34 68 7949 15898 31796 135133 270266 540532