Search a number
-
+
7105393 = 46115413
BaseRepresentation
bin11011000110101101110001
3111100222202201
4123012231301
53304333033
6412143201
7114252301
oct33065561
914328681
107105393
114013429
122467b01
13161a199
14d2d601
1595547d
hex6c6b71

7105393 has 4 divisors (see below), whose sum is σ = 7121268. Its totient is φ = 7089520.

The previous prime is 7105379. The next prime is 7105421. The reversal of 7105393 is 3935017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3935017 = 14812657.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 2745649 = 2088^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 7105393 - 25 = 7105361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7105313) 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 3 ways as a sum of consecutive naturals, for example, 7246 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (1780317).

Almost surely, 27105393 is an apocalyptic number.

It is an amenable number.

7105393 is a deficient number, since it is larger than the sum of its proper divisors (15875).

7105393 is a wasteful number, since it uses less digits than its factorization.

7105393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 7105393 is about 2665.5943052160. The cubic root of 7105393 is about 192.2483854904.

The spelling of 7105393 in words is "seven million, one hundred five thousand, three hundred ninety-three".

Divisors: 1 461 15413 7105393