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1708228 = 221725121
BaseRepresentation
bin110100001000011000100
310012210020201
412201003010
5414130403
6100340244
720343154
oct6410304
93183221
101708228
11a67465
126a4684
1347a6b2
14326764
1523b21d
hex1a10c4

1708228 has 12 divisors (see below), whose sum is σ = 3165372. Its totient is φ = 803840.

The previous prime is 1708219. The next prime is 1708229. The reversal of 1708228 is 8228071.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 643204 = 1032^2 + 802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1708196 and 1708205.

It is not an unprimeable number, because it can be changed into a prime (1708229) by changing a digit.

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, 12493 + ... + 12628.

It is an arithmetic number, because the mean of its divisors is an integer number (263781).

21708228 is an apocalyptic number.

It is an amenable number.

1708228 is a deficient number, since it is larger than the sum of its proper divisors (1457144).

1708228 is a wasteful number, since it uses less digits than its factorization.

1708228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142 (or 25140 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1708228 is about 1306.9919663104. The cubic root of 1708228 is about 119.5405580019.

It can be divided in two parts, 1708 and 228, that added together give a square (1936 = 442).

The spelling of 1708228 in words is "one million, seven hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 17 34 68 25121 50242 100484 427057 854114 1708228