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4131663 = 31781013
BaseRepresentation
bin1111110000101101001111
321202220120120
433300231033
52024203123
6224320023
750055444
oct17605517
97686516
104131663
1123721a8
121473013
13b18793
147979cb
155692e3
hex3f0b4f

4131663 has 8 divisors (see below), whose sum is σ = 5833008. Its totient is φ = 2592384.

The previous prime is 4131661. The next prime is 4131667. The reversal of 4131663 is 3661314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4131663 - 21 = 4131661 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40456 + ... + 40557.

It is an arithmetic number, because the mean of its divisors is an integer number (729126).

Almost surely, 24131663 is an apocalyptic number.

4131663 is a deficient number, since it is larger than the sum of its proper divisors (1701345).

4131663 is a wasteful number, since it uses less digits than its factorization.

4131663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81033.

The product of its digits is 1296, while the sum is 24.

The square root of 4131663 is about 2032.6492565123. The cubic root of 4131663 is about 160.4630207602.

Adding to 4131663 its reverse (3661314), we get a palindrome (7792977).

The spelling of 4131663 in words is "four million, one hundred thirty-one thousand, six hundred sixty-three".

Divisors: 1 3 17 51 81013 243039 1377221 4131663