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4318085 = 517371373
BaseRepresentation
bin10000011110001110000101
322010101022002
4100132032011
52101134320
6232315045
751463112
oct20361605
98111262
104318085
11248a272
121542a85
13b825a5
14805909
155a4675
hex41e385

4318085 has 16 divisors (see below), whose sum is σ = 5638896. Its totient is φ = 3161088.

The previous prime is 4318081. The next prime is 4318087. The reversal of 4318085 is 5808134.

It is a Cunningham number, because it is equal to 20782+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1552516 + 2765569 = 1246^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 4318085 - 22 = 4318081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4318081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (352431).

Almost surely, 24318085 is an apocalyptic number.

It is an amenable number.

4318085 is a deficient number, since it is larger than the sum of its proper divisors (1320811).

4318085 is a wasteful number, since it uses less digits than its factorization.

4318085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4318085 is about 2078.0002406160. Note that the first 3 decimals coincide. The cubic root of 4318085 is about 162.8409881160.

The spelling of 4318085 in words is "four million, three hundred eighteen thousand, eighty-five".

Divisors: 1 5 17 37 85 185 629 1373 3145 6865 23341 50801 116705 254005 863617 4318085