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1087284 = 223118237
BaseRepresentation
bin100001001011100110100
32001020110210
410021130310
5234243114
635145420
712145632
oct4113464
92036423
101087284
11682990
12445270
132c0b83
14204352
15167259
hex109734

1087284 has 24 divisors (see below), whose sum is σ = 2767968. Its totient is φ = 329440.

The previous prime is 1087271. The next prime is 1087291. The reversal of 1087284 is 4827801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (115332).

21087284 is an apocalyptic number.

It is an amenable number.

1087284 is an abundant number, since it is smaller than the sum of its proper divisors (1680684).

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

1087284 is a wasteful number, since it uses less digits than its factorization.

1087284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1087284 is about 1042.7291115146. The cubic root of 1087284 is about 102.8286969398.

The spelling of 1087284 in words is "one million, eighty-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 8237 16474 24711 32948 49422 90607 98844 181214 271821 362428 543642 1087284