Search a number
-
+
4081775 = 52433797
BaseRepresentation
bin1111100100100001101111
321200101010212
433210201233
52021104100
6223253035
746460135
oct17444157
97611125
104081775
112338775
12144a17b
13acbb69
14783755
15559635
hex3e486f

4081775 has 12 divisors (see below), whose sum is σ = 5180472. Its totient is φ = 3188640.

The previous prime is 4081771. The next prime is 4081793. The reversal of 4081775 is 5771804.

4081775 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 4081775 - 22 = 4081771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081771) 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, 824 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (431706).

Almost surely, 24081775 is an apocalyptic number.

4081775 is a deficient number, since it is larger than the sum of its proper divisors (1098697).

4081775 is a wasteful number, since it uses less digits than its factorization.

4081775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 4081775 is about 2020.3403178673. The cubic root of 4081775 is about 159.8145638127.

The spelling of 4081775 in words is "four million, eighty-one thousand, seven hundred seventy-five".

Divisors: 1 5 25 43 215 1075 3797 18985 94925 163271 816355 4081775