Search a number
-
+
25388195 = 572925013
BaseRepresentation
bin110000011011…
…0010010100011
31202202212001112
41200312102203
522444410240
62304053535
7425540030
oct140662243
952685045
1025388195
1113370588
1286042ab
13534bb01
14352c387
152367665
hex18364a3

25388195 has 16 divisors (see below), whose sum is σ = 36020160. Its totient is φ = 16808064.

The previous prime is 25388183. The next prime is 25388197. The reversal of 25388195 is 59188352.

It is not a de Polignac number, because 25388195 - 216 = 25322659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25388197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11492 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (2251260).

Almost surely, 225388195 is an apocalyptic number.

25388195 is a deficient number, since it is larger than the sum of its proper divisors (10631965).

25388195 is a wasteful number, since it uses less digits than its factorization.

25388195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25054.

The product of its digits is 86400, while the sum is 41.

The square root of 25388195 is about 5038.6699633931. The cubic root of 25388195 is about 293.9074592667.

The spelling of 25388195 in words is "twenty-five million, three hundred eighty-eight thousand, one hundred ninety-five".

Divisors: 1 5 7 29 35 145 203 1015 25013 125065 175091 725377 875455 3626885 5077639 25388195