Search a number
-
+
3895 = 51941
BaseRepresentation
bin111100110111
312100021
4330313
5111040
630011
714233
oct7467
95307
103895
112a21
122307
131a08
1415c3
15124a
hexf37

3895 has 8 divisors (see below), whose sum is σ = 5040. Its totient is φ = 2880.

The previous prime is 3889. The next prime is 3907. The reversal of 3895 is 5983.

3895 = T10 + T11 + ... + T28.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3895 - 25 = 3863 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75 + ... + 115.

It is an arithmetic number, because the mean of its divisors is an integer number (630).

3895 is a deficient number, since it is larger than the sum of its proper divisors (1145).

3895 is a wasteful number, since it uses less digits than its factorization.

3895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65.

The product of its digits is 1080, while the sum is 25.

The square root of 3895 is about 62.4099351065. The cubic root of 3895 is about 15.7338795335.

It can be divided in two parts, 3 and 895, that added together give a palindrome (898).

The spelling of 3895 in words is "three thousand, eight hundred ninety-five".

Divisors: 1 5 19 41 95 205 779 3895