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1041728 = 2641397
BaseRepresentation
bin11111110010101000000
31221220222112
43332111000
5231313403
634154452
711566052
oct3762500
91856875
101041728
11651736
12422a28
132a620c
141d18d2
151589d8
hexfe540

1041728 has 28 divisors (see below), whose sum is σ = 2122932. Its totient is φ = 506880.

The previous prime is 1041701. The next prime is 1041731. The reversal of 1041728 is 8271401.

1041728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 719104 = 568^2 + 848^2 .

It is a nialpdrome in base 4 and base 16.

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, 2426 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (75819).

21041728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1041728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061466).

1041728 is an abundant number, since it is smaller than the sum of its proper divisors (1081204).

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

1041728 is an equidigital number, since it uses as much as digits as its factorization.

1041728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1041728 is about 1020.6507727916. The cubic root of 1041728 is about 101.3720227764.

The spelling of 1041728 in words is "one million, forty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 397 656 794 1312 1588 2624 3176 6352 12704 16277 25408 32554 65108 130216 260432 520864 1041728