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4165993 = 13674783
BaseRepresentation
bin1111111001000101101001
321211122200001
433321011221
52031302433
6225143001
750260516
oct17710551
97748601
104165993
112395a77
12148aa61
13b2b2b0
147a630d
1557457d
hex3f9169

4165993 has 8 divisors (see below), whose sum is σ = 4554368. Its totient is φ = 3787344.

The previous prime is 4165991. The next prime is 4165999. The reversal of 4165993 is 3995614.

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 4165993 - 21 = 4165991 is a prime.

4165993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4165991) 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 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (569296).

Almost surely, 24165993 is an apocalyptic number.

It is an amenable number.

4165993 is a deficient number, since it is larger than the sum of its proper divisors (388375).

4165993 is a wasteful number, since it uses less digits than its factorization.

4165993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

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

The square root of 4165993 is about 2041.0764316899. The cubic root of 4165993 is about 160.9062247266.

The spelling of 4165993 in words is "four million, one hundred sixty-five thousand, nine hundred ninety-three".

Divisors: 1 13 67 871 4783 62179 320461 4165993