Search a number
-
+
542195 = 5108439
BaseRepresentation
bin10000100010111110011
31000112202022
42010113303
5114322240
615342055
74415513
oct2042763
91015668
10542195
113403a5
1222192b
1315ca34
14101843
15aa9b5
hex845f3

542195 has 4 divisors (see below), whose sum is σ = 650640. Its totient is φ = 433752.

The previous prime is 542189. The next prime is 542197. The reversal of 542195 is 591245.

542195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591245 = 5118249.

It is a cyclic number.

It is not a de Polignac number, because 542195 - 26 = 542131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54215 + ... + 54224.

It is an arithmetic number, because the mean of its divisors is an integer number (162660).

2542195 is an apocalyptic number.

542195 is a deficient number, since it is larger than the sum of its proper divisors (108445).

542195 is a wasteful number, since it uses less digits than its factorization.

542195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108444.

The product of its digits is 1800, while the sum is 26.

The square root of 542195 is about 736.3389165323. The cubic root of 542195 is about 81.5427153854.

It can be divided in two parts, 542 and 195, that added together give a palindrome (737).

The spelling of 542195 in words is "five hundred forty-two thousand, one hundred ninety-five".

Divisors: 1 5 108439 542195