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1008728 = 23718013
BaseRepresentation
bin11110110010001011000
31220020201022
43312101120
5224234403
633342012
711400620
oct3662130
91806638
101008728
11629966
12407908
132941a6
141c3880
1514dd38
hexf6458

1008728 has 16 divisors (see below), whose sum is σ = 2161680. Its totient is φ = 432288.

The previous prime is 1008719. The next prime is 1008743. The reversal of 1008728 is 8278001.

1008728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10087283 = 3079239596500333056, which contains 333 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1008697 and 1008706.

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, 8951 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (135105).

21008728 is an apocalyptic number.

It is an amenable number.

1008728 is an abundant number, since it is smaller than the sum of its proper divisors (1152952).

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

1008728 is a wasteful number, since it uses less digits than its factorization.

1008728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18026 (or 18022 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1008728 is about 1004.3545190818. The cubic root of 1008728 is about 100.2900909918.

The spelling of 1008728 in words is "one million, eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 18013 36026 72052 126091 144104 252182 504364 1008728