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3285505 = 51738653
BaseRepresentation
bin1100100010001000000001
320011220212101
430202020001
51320114010
6154230401
736632506
oct14421001
96156771
103285505
1119444a3
121125401
138b05b2
146174ad
1544d73a
hex322201

3285505 has 8 divisors (see below), whose sum is σ = 4174632. Its totient is φ = 2473728.

The previous prime is 3285467. The next prime is 3285509. The reversal of 3285505 is 5055823.

It can be written as a sum of positive squares in 4 ways, for example, as 163216 + 3122289 = 404^2 + 1767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3285505 - 27 = 3285377 is a prime.

It is a Duffinian number.

3285505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3285509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19242 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (521829).

Almost surely, 23285505 is an apocalyptic number.

It is an amenable number.

3285505 is a deficient number, since it is larger than the sum of its proper divisors (889127).

3285505 is a wasteful number, since it uses less digits than its factorization.

3285505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38675.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3285505 is about 1812.5962043434. The cubic root of 3285505 is about 148.6622531708.

The spelling of 3285505 in words is "three million, two hundred eighty-five thousand, five hundred five".

Divisors: 1 5 17 85 38653 193265 657101 3285505