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1706028 = 223142169
BaseRepresentation
bin110100000100000101100
310012200020020
412200200230
5414043103
6100322140
720333562
oct6404054
93180206
101706028
11a65845
126a3350
134796ac
14325a32
1523a753
hex1a082c

1706028 has 12 divisors (see below), whose sum is σ = 3980760. Its totient is φ = 568672.

The previous prime is 1706009. The next prime is 1706057. The reversal of 1706028 is 8206071.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1705989 and 1706007.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 71073 + ... + 71096.

It is an arithmetic number, because the mean of its divisors is an integer number (331730).

21706028 is an apocalyptic number.

It is an amenable number.

1706028 is an abundant number, since it is smaller than the sum of its proper divisors (2274732).

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

1706028 is a wasteful number, since it uses less digits than its factorization.

1706028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142176 (or 142174 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1706028 is about 1306.1500679478. The cubic root of 1706028 is about 119.4892178200.

The spelling of 1706028 in words is "one million, seven hundred six thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 142169 284338 426507 568676 853014 1706028