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4081863 = 33143891
BaseRepresentation
bin1111100100100011000111
321200101021010
433210203013
52021104423
6223253303
746460322
oct17444307
97611233
104081863
112338845
12144a233
13acbc06
147837b9
15559693
hex3e48c7

4081863 has 8 divisors (see below), whose sum is σ = 5618176. Its totient is φ = 2633400.

The previous prime is 4081849. The next prime is 4081867. The reversal of 4081863 is 3681804.

It is a happy number.

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

It is not a de Polignac number, because 4081863 - 26 = 4081799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4081863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081867) 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, 21853 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (702272).

Almost surely, 24081863 is an apocalyptic number.

4081863 is a deficient number, since it is larger than the sum of its proper divisors (1536313).

4081863 is a wasteful number, since it uses less digits than its factorization.

4081863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43925.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4081863 is about 2020.3620962590. The cubic root of 4081863 is about 159.8157122984.

The spelling of 4081863 in words is "four million, eighty-one thousand, eight hundred sixty-three".

Divisors: 1 3 31 93 43891 131673 1360621 4081863