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4195 = 5839
BaseRepresentation
bin1000001100011
312202101
41001203
5113240
631231
715142
oct10143
95671
104195
113174
122517
131ba9
141759
15139a
hex1063

4195 has 4 divisors (see below), whose sum is σ = 5040. Its totient is φ = 3352.

The previous prime is 4177. The next prime is 4201. The reversal of 4195 is 5914.

It can be divided in two parts, 419 and 5, that added together give a palindrome (424).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5914 = 22957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4195 is a prime.

4195 is a lucky number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (1260).

24195 is an apocalyptic number.

4195 is a deficient number, since it is larger than the sum of its proper divisors (845).

4195 is an equidigital number, since it uses as much as digits as its factorization.

4195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 180, while the sum is 19.

The square root of 4195 is about 64.7688196588. The cubic root of 4195 is about 16.1278814233.

The spelling of 4195 in words is "four thousand, one hundred ninety-five".

Divisors: 1 5 839 4195