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25020668 = 2217432199
BaseRepresentation
bin101111101110…
…0100011111100
31202002011220102
41133130203330
522401130133
62252140232
7422446361
oct137344374
952064812
1025020668
111313a442
128467678
13525073a
143474468
1522e37e8
hex17dc8fc

25020668 has 36 divisors (see below), whose sum is σ = 47703600. Its totient is φ = 11442816.

The previous prime is 25020647. The next prime is 25020673. The reversal of 25020668 is 86602052.

It is a self number, because there is not a number n which added to its sum of digits gives 25020668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125633 + ... + 125831.

It is an arithmetic number, because the mean of its divisors is an integer number (1325100).

Almost surely, 225020668 is an apocalyptic number.

It is an amenable number.

25020668 is a deficient number, since it is larger than the sum of its proper divisors (22682932).

25020668 is a wasteful number, since it uses less digits than its factorization.

25020668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 25020668 is about 5002.0663730103. The cubic root of 25020668 is about 292.4823297578.

The spelling of 25020668 in words is "twenty-five million, twenty thousand, six hundred sixty-eight".

Divisors: 1 2 4 17 34 43 68 86 172 199 398 731 796 1462 1849 2924 3383 3698 6766 7396 8557 13532 17114 31433 34228 62866 125732 145469 290938 367951 581876 735902 1471804 6255167 12510334 25020668