Search a number
-
+
25384 = 2319167

25384 has 16 divisors (see below), whose sum is σ = 50400. Its totient is φ = 11952.

The previous prime is 25373. The next prime is 25391. The reversal of 25384 is 48352.

It is an Ulam number.

It is a d-powerful number, because it can be written as 211 + 55 + 39 + 83 + 42 .

Its product of digits (960) is a multiple of the sum of its prime factors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (3150).

225384 is an apocalyptic number.

It is an amenable number.

25384 is a deficient number, since it is larger than the sum of its proper divisors (25016).

25384 is a wasteful number, since it uses less digits than its factorization.

25384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 188 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 25384 is about 159.3235701332. The cubic root of 25384 is about 29.3891270513.

The spelling of 25384 in words is "twenty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 19 38 76 152 167 334 668 1336 3173 6346 12692 25384