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3663085 = 5732617
BaseRepresentation
bin1101111110010011101101
320220002210211
431332103231
51414204320
6210302421
743064356
oct15762355
96802724
103663085
112082148
121287a11
139b340a
146b4d2d
154c555a
hex37e4ed

3663085 has 4 divisors (see below), whose sum is σ = 4395708. Its totient is φ = 2930464.

The previous prime is 3663083. The next prime is 3663089. The reversal of 3663085 is 5803663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5803663 = 16093607.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 2735716 = 963^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 3663085 - 21 = 3663083 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366304 + ... + 366313.

It is an arithmetic number, because the mean of its divisors is an integer number (1098927).

Almost surely, 23663085 is an apocalyptic number.

It is an amenable number.

3663085 is a deficient number, since it is larger than the sum of its proper divisors (732623).

3663085 is an equidigital number, since it uses as much as digits as its factorization.

3663085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732622.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3663085 is about 1913.9187548065. The cubic root of 3663085 is about 154.1519414553.

The spelling of 3663085 in words is "three million, six hundred sixty-three thousand, eighty-five".

Divisors: 1 5 732617 3663085