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540880 = 2456761
BaseRepresentation
bin10000100000011010000
31000110221121
42010003100
5114302010
615332024
74411624
oct2040320
91013847
10540880
1133a40a
12221014
1315c262
14101184
15aa3da
hex840d0

540880 has 20 divisors (see below), whose sum is σ = 1257732. Its totient is φ = 216320.

The previous prime is 540877. The next prime is 540901. The reversal of 540880 is 88045.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 222784 = 564^2 + 472^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 3301 + ... + 3460.

2540880 is an apocalyptic number.

It is an amenable number.

540880 is an abundant number, since it is smaller than the sum of its proper divisors (716852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540880 is a wasteful number, since it uses less digits than its factorization.

540880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774 (or 6768 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 540880 is about 735.4454432519. The cubic root of 540880 is about 81.4767394445.

The spelling of 540880 in words is "five hundred forty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6761 13522 27044 33805 54088 67610 108176 135220 270440 540880