Search a number
-
+
4128195 = 351716189
BaseRepresentation
bin1111101111110111000011
321202201211010
433233313003
52024100240
6224252003
750042361
oct17576703
97681733
104128195
11236a635
121471003
13b17026
14796631
15568280
hex3efdc3

4128195 has 16 divisors (see below), whose sum is σ = 6994080. Its totient is φ = 2072064.

The previous prime is 4128193. The next prime is 4128199. The reversal of 4128195 is 5918214.

It is a happy number.

It is not a de Polignac number, because 4128195 - 21 = 4128193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4128193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7840 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (437130).

Almost surely, 24128195 is an apocalyptic number.

4128195 is a deficient number, since it is larger than the sum of its proper divisors (2865885).

4128195 is a wasteful number, since it uses less digits than its factorization.

4128195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214.

The product of its digits is 2880, while the sum is 30.

The square root of 4128195 is about 2031.7960035397. The cubic root of 4128195 is about 160.4181121663.

The spelling of 4128195 in words is "four million, one hundred twenty-eight thousand, one hundred ninety-five".

Divisors: 1 3 5 15 17 51 85 255 16189 48567 80945 242835 275213 825639 1376065 4128195