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540814 = 2270407
BaseRepresentation
bin10000100000010001110
31000110212011
42010002032
5114301224
615331434
74411501
oct2040216
91013764
10540814
1133a35a
12220b7a
1315c211
14101138
15aa394
hex8408e

540814 has 4 divisors (see below), whose sum is σ = 811224. Its totient is φ = 270406.

The previous prime is 540809. The next prime is 540823. The reversal of 540814 is 418045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418045 = 583609.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135202 + ... + 135205.

It is an arithmetic number, because the mean of its divisors is an integer number (202806).

2540814 is an apocalyptic number.

540814 is a deficient number, since it is larger than the sum of its proper divisors (270410).

540814 is a wasteful number, since it uses less digits than its factorization.

540814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270409.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 540814 is about 735.4005711175. The cubic root of 540814 is about 81.4734252876.

Adding to 540814 its reverse (418045), we get a palindrome (958859).

The spelling of 540814 in words is "five hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 270407 540814