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3523985 = 5704797
BaseRepresentation
bin1101011100010110010001
320122000222222
431130112101
51400231420
6203310425
741645003
oct15342621
96560888
103523985
111a97693
12121b415
13964cca
1467a373
15499225
hex35c591

3523985 has 4 divisors (see below), whose sum is σ = 4228788. Its totient is φ = 2819184.

The previous prime is 3523969. The next prime is 3523997. The reversal of 3523985 is 5893253.

3523985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5893253 = 6787959.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 3125824 = 631^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3523985 - 24 = 3523969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352394 + ... + 352403.

It is an arithmetic number, because the mean of its divisors is an integer number (1057197).

Almost surely, 23523985 is an apocalyptic number.

It is an amenable number.

3523985 is a deficient number, since it is larger than the sum of its proper divisors (704803).

3523985 is an equidigital number, since it uses as much as digits as its factorization.

3523985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704802.

The product of its digits is 32400, while the sum is 35.

The square root of 3523985 is about 1877.2280095929. The cubic root of 3523985 is about 152.1754811965.

The spelling of 3523985 in words is "three million, five hundred twenty-three thousand, nine hundred eighty-five".

Divisors: 1 5 704797 3523985