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275484 = 223112087
BaseRepresentation
bin1000011010000011100
3111222220010
41003100130
532303414
65523220
72225106
oct1032034
9458803
10275484
11178a80
12113510
1398511
1472576
1556959
hex4341c

275484 has 24 divisors (see below), whose sum is σ = 701568. Its totient is φ = 83440.

The previous prime is 275461. The next prime is 275489. The reversal of 275484 is 484572.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275489) by changing a digit.

275484 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (29232).

2275484 is an apocalyptic number.

It is an amenable number.

275484 is an abundant number, since it is smaller than the sum of its proper divisors (426084).

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

275484 is a wasteful number, since it uses less digits than its factorization.

275484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2103 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 275484 is about 524.8656971074. The cubic root of 275484 is about 65.0677006651.

The spelling of 275484 in words is "two hundred seventy-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2087 4174 6261 8348 12522 22957 25044 45914 68871 91828 137742 275484