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25289368 = 2313243167
BaseRepresentation
bin110000001111…
…0001010011000
31202120211111021
41200132022120
522433224433
62302012224
7424645636
oct140361230
952524437
1025289368
1113303305
128577074
135315b30
143504356
15234822d
hex181e298

25289368 has 16 divisors (see below), whose sum is σ = 51065280. Its totient is φ = 11671968.

The previous prime is 25289357. The next prime is 25289371. The reversal of 25289368 is 86398252.

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, 121480 + ... + 121687.

It is an arithmetic number, because the mean of its divisors is an integer number (3191580).

Almost surely, 225289368 is an apocalyptic number.

It is an amenable number.

25289368 is an abundant number, since it is smaller than the sum of its proper divisors (25775912).

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

25289368 is a wasteful number, since it uses less digits than its factorization.

25289368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243186 (or 243182 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 25289368 is about 5028.8535472809. The cubic root of 25289368 is about 293.5256051191.

The spelling of 25289368 in words is "twenty-five million, two hundred eighty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 243167 486334 972668 1945336 3161171 6322342 12644684 25289368