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540895 = 5108179
BaseRepresentation
bin10000100000011011111
31000110222011
42010003133
5114302040
615332051
74411645
oct2040337
91013864
10540895
1133a423
12221027
1315c274
14101195
15aa3ea
hex840df

540895 has 4 divisors (see below), whose sum is σ = 649080. Its totient is φ = 432712.

The previous prime is 540877. The next prime is 540901. The reversal of 540895 is 598045.

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 540895 - 25 = 540863 is a prime.

It is a Smith number, since the sum of its digits (31) 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 in 3 ways as a sum of consecutive naturals, for example, 54085 + ... + 54094.

It is an arithmetic number, because the mean of its divisors is an integer number (162270).

2540895 is an apocalyptic number.

540895 is a deficient number, since it is larger than the sum of its proper divisors (108185).

540895 is a wasteful number, since it uses less digits than its factorization.

540895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108184.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 540895 is about 735.4556410825. The cubic root of 540895 is about 81.4774926243.

The spelling of 540895 in words is "five hundred forty thousand, eight hundred ninety-five".

Divisors: 1 5 108179 540895