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4163872 = 25130121
BaseRepresentation
bin1111111000100100100000
321211112202111
433320210200
52031220442
6225125104
750251366
oct17704440
97745674
104163872
112394419
121489794
13b2a33b
147a5636
15573b17
hex3f8920

4163872 has 12 divisors (see below), whose sum is σ = 8197686. Its totient is φ = 2081920.

The previous prime is 4163857. The next prime is 4163879. The reversal of 4163872 is 2783614.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 1354896 = 1676^2 + 1164^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4163879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65029 + ... + 65092.

Almost surely, 24163872 is an apocalyptic number.

It is an amenable number.

4163872 is a deficient number, since it is larger than the sum of its proper divisors (4033814).

4163872 is a wasteful number, since it uses less digits than its factorization.

4163872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130131 (or 130123 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 4163872 is about 2040.5567867619. The cubic root of 4163872 is about 160.8789131079.

The spelling of 4163872 in words is "four million, one hundred sixty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 130121 260242 520484 1040968 2081936 4163872