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3993085 = 53892053
BaseRepresentation
bin1111001110110111111101
321111212111001
433032313331
52010234320
6221330301
745640435
oct17166775
97455431
103993085
112288078
121406991
13a9a695
1475d2c5
1553d20a
hex3cedfd

3993085 has 8 divisors (see below), whose sum is σ = 4806360. Its totient is φ = 3184704.

The previous prime is 3993083. The next prime is 3993089. The reversal of 3993085 is 5803993.

It can be written as a sum of positive squares in 4 ways, for example, as 143641 + 3849444 = 379^2 + 1962^2 .

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 3993085 - 21 = 3993083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (600795).

Almost surely, 23993085 is an apocalyptic number.

It is an amenable number.

3993085 is a deficient number, since it is larger than the sum of its proper divisors (813275).

3993085 is a wasteful number, since it uses less digits than its factorization.

3993085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3993085 is about 1998.2705022093. The cubic root of 3993085 is about 158.6485784486.

The spelling of 3993085 in words is "three million, nine hundred ninety-three thousand, eighty-five".

Divisors: 1 5 389 1945 2053 10265 798617 3993085