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540754 = 21012677
BaseRepresentation
bin10000100000001010010
31000110202221
42010001102
5114301004
615331254
74411354
oct2040122
91013687
10540754
1133a305
12220b2a
1315c196
141010d4
15aa354
hex84052

540754 has 8 divisors (see below), whose sum is σ = 819468. Its totient is φ = 267600.

The previous prime is 540751. The next prime is 540769. The reversal of 540754 is 457045.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 529 = 735^2 + 23^2 .

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

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, 1137 + ... + 1540.

2540754 is an apocalyptic number.

540754 is a deficient number, since it is larger than the sum of its proper divisors (278714).

540754 is a wasteful number, since it uses less digits than its factorization.

540754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 540754 is about 735.3597758920. The cubic root of 540754 is about 81.4704121837.

Adding to 540754 its reverse (457045), we get a palindrome (997799).

The spelling of 540754 in words is "five hundred forty thousand, seven hundred fifty-four".

Divisors: 1 2 101 202 2677 5354 270377 540754