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1081328 = 24193557
BaseRepresentation
bin100000111111111110000
32000221022012
410013333300
5234100303
635102052
712122363
oct4077760
92027265
101081328
11679466
12441928
132bb251
142020da
151655d8
hex107ff0

1081328 has 20 divisors (see below), whose sum is σ = 2205960. Its totient is φ = 512064.

The previous prime is 1081307. The next prime is 1081331. The reversal of 1081328 is 8231801.

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, 1475 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (110298).

21081328 is an apocalyptic number.

It is an amenable number.

1081328 is an abundant number, since it is smaller than the sum of its proper divisors (1124632).

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

1081328 is a wasteful number, since it uses less digits than its factorization.

1081328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1081328 is about 1039.8692225468. The cubic root of 1081328 is about 102.6405923177.

The spelling of 1081328 in words is "one million, eighty-one thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 3557 7114 14228 28456 56912 67583 135166 270332 540664 1081328