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25081132 = 2223272621
BaseRepresentation
bin101111110101…
…1010100101100
31202012020211211
41133223110230
522410044012
62253324204
7423120556
oct137532454
952166754
1025081132
111318090a
128496664
13527210b
14348c4d6
1523066a7
hex17eb52c

25081132 has 12 divisors (see below), whose sum is σ = 45800496. Its totient is φ = 11995280.

The previous prime is 25081123. The next prime is 25081151. The reversal of 25081132 is 23118052.

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, 136219 + ... + 136402.

It is an arithmetic number, because the mean of its divisors is an integer number (3816708).

Almost surely, 225081132 is an apocalyptic number.

It is an amenable number.

25081132 is a deficient number, since it is larger than the sum of its proper divisors (20719364).

25081132 is a wasteful number, since it uses less digits than its factorization.

25081132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272648 (or 272646 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 25081132 is about 5008.1066282578. The cubic root of 25081132 is about 292.7177408098.

Adding to 25081132 its reverse (23118052), we get a palindrome (48199184).

The spelling of 25081132 in words is "twenty-five million, eighty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 23 46 92 272621 545242 1090484 6270283 12540566 25081132