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540572 = 22149907
BaseRepresentation
bin10000011111110011100
31000110112012
42003332130
5114244242
615330352
74411004
oct2037634
91013465
10540572
1133a15a
122209b8
1315c086
14101004
15aa282
hex83f9c

540572 has 12 divisors (see below), whose sum is σ = 953400. Its totient is φ = 268176.

The previous prime is 540559. The next prime is 540577. The reversal of 540572 is 275045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540577) by changing a digit.

540572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 143 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (79450).

2540572 is an apocalyptic number.

It is an amenable number.

540572 is a deficient number, since it is larger than the sum of its proper divisors (412828).

540572 is a wasteful number, since it uses less digits than its factorization.

540572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 540572 is about 735.2360165280. The cubic root of 540572 is about 81.4612710716.

The spelling of 540572 in words is "five hundred forty thousand, five hundred seventy-two".

Divisors: 1 2 4 149 298 596 907 1814 3628 135143 270286 540572