Search a number
-
+
25871393 = 291994483
BaseRepresentation
bin110001010110…
…0010000100001
31210200101212202
41202230100201
523110341033
62322302545
7432621542
oct142542041
953611782
1025871393
1113670619
1287b7a55
13548aa22
1436164c9
1524108e8
hex18ac421

25871393 has 8 divisors (see below), whose sum is σ = 26904000. Its totient is φ = 24848208.

The previous prime is 25871387. The next prime is 25871411. The reversal of 25871393 is 39317852.

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

It is a cyclic number.

It is not a de Polignac number, because 25871393 - 212 = 25867297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25871303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3530 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (3363000).

Almost surely, 225871393 is an apocalyptic number.

It is an amenable number.

25871393 is a deficient number, since it is larger than the sum of its proper divisors (1032607).

25871393 is a wasteful number, since it uses less digits than its factorization.

25871393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its digits is 45360, while the sum is 38.

The square root of 25871393 is about 5086.3929262297. The cubic root of 25871393 is about 295.7603406153.

The spelling of 25871393 in words is "twenty-five million, eight hundred seventy-one thousand, three hundred ninety-three".

Divisors: 1 29 199 4483 5771 130007 892117 25871393