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3220085 = 511127461
BaseRepresentation
bin1100010010001001110101
320001121010102
430102021311
51311020320
6153003445
736241001
oct14221165
96047112
103220085
1118aa330
1210b3585
1388989b
145db701
15439175
hex312275

3220085 has 16 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 2318400.

The previous prime is 3220081. The next prime is 3220093. The reversal of 3220085 is 5800223.

It is not a de Polignac number, because 3220085 - 22 = 3220081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220081) 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, 6755 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

Almost surely, 23220085 is an apocalyptic number.

It is an amenable number.

3220085 is a deficient number, since it is larger than the sum of its proper divisors (1037707).

3220085 is a wasteful number, since it uses less digits than its factorization.

3220085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3220085 is about 1794.4595286604. The cubic root of 3220085 is about 147.6689245347.

The spelling of 3220085 in words is "three million, two hundred twenty thousand, eighty-five".

Divisors: 1 5 11 55 127 461 635 1397 2305 5071 6985 25355 58547 292735 644017 3220085