Search a number
-
+
25326380 = 2253140849
BaseRepresentation
bin110000010011…
…1001100101100
31202122201021002
41200213030230
522440421010
62302455432
7425161562
oct140471454
952581232
1025326380
11133290a2
128594578
135329931
143513a32
1523541a5
hex182732c

25326380 has 24 divisors (see below), whose sum is σ = 54902400. Its totient is φ = 9803520.

The previous prime is 25326359. The next prime is 25326383. The reversal of 25326380 is 8362352.

It is not an unprimeable number, because it can be changed into a prime (25326383) 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 7 ways as a sum of consecutive naturals, for example, 19805 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (2287600).

Almost surely, 225326380 is an apocalyptic number.

25326380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25326380 is an abundant number, since it is smaller than the sum of its proper divisors (29576020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25326380 is a wasteful number, since it uses less digits than its factorization.

25326380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40889 (or 40887 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25326380 is about 5032.5321658187. The cubic root of 25326380 is about 293.6687308001.

The spelling of 25326380 in words is "twenty-five million, three hundred twenty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 40849 81698 163396 204245 408490 816980 1266319 2532638 5065276 6331595 12663190 25326380