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BaseRepresentation
bin1111111001101011000001
321211202221122
433321223001
52031342020
6225202025
750300504
oct17715301
97752848
104168385
112397851
121490315
13b2c400
147a713b
15575125
hex3f9ac1

4168385 has 12 divisors (see below), whose sum is σ = 5417532. Its totient is φ = 3077568.

The previous prime is 4168379. The next prime is 4168387. The reversal of 4168385 is 5838614.

It can be written as a sum of positive squares in 6 ways, for example, as 1168561 + 2999824 = 1081^2 + 1732^2 .

It is not a de Polignac number, because 4168385 - 24 = 4168369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4168387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (451461).

Almost surely, 24168385 is an apocalyptic number.

It is an amenable number.

4168385 is a deficient number, since it is larger than the sum of its proper divisors (1249147).

4168385 is a wasteful number, since it uses less digits than its factorization.

4168385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4951 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 4168385 is about 2041.6623129205. The cubic root of 4168385 is about 160.9370148287.

The spelling of 4168385 in words is "four million, one hundred sixty-eight thousand, three hundred eighty-five".