Search a number
-
+
4288395 = 351941367
BaseRepresentation
bin10000010110111110001011
322001212120110
4100112332023
52044212040
6231525403
751310416
oct20267613
98055513
104288395
112469a31
121529863
13b71c17
147d8b7d
1559a980
hex416f8b

4288395 has 32 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 2108160.

The previous prime is 4288391. The next prime is 4288397. The reversal of 4288395 is 5938824.

It is a happy number.

4288395 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4288395 - 22 = 4288391 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4288391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11502 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

Almost surely, 24288395 is an apocalyptic number.

4288395 is a deficient number, since it is larger than the sum of its proper divisors (3130485).

4288395 is a wasteful number, since it uses less digits than its factorization.

4288395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its digits is 69120, while the sum is 39.

The square root of 4288395 is about 2070.8440308241. The cubic root of 4288395 is about 162.4669123954.

The spelling of 4288395 in words is "four million, two hundred eighty-eight thousand, three hundred ninety-five".

Divisors: 1 3 5 15 19 41 57 95 123 205 285 367 615 779 1101 1835 2337 3895 5505 6973 11685 15047 20919 34865 45141 75235 104595 225705 285893 857679 1429465 4288395