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25568085 = 3517100267
BaseRepresentation
bin110000110001…
…0001101010101
31210002222211010
41201202031111
523021134320
62312002433
7430216344
oct141421525
953088733
1025568085
1113483754
128690419
1353b295a
143577b5b
1523a0ae0
hex1862355

25568085 has 16 divisors (see below), whose sum is σ = 43315776. Its totient is φ = 12834048.

The previous prime is 25568083. The next prime is 25568093. The reversal of 25568085 is 58086552.

It is not a de Polignac number, because 25568085 - 21 = 25568083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25568083) 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, 49879 + ... + 50388.

It is an arithmetic number, because the mean of its divisors is an integer number (2707236).

Almost surely, 225568085 is an apocalyptic number.

It is an amenable number.

25568085 is a deficient number, since it is larger than the sum of its proper divisors (17747691).

25568085 is a wasteful number, since it uses less digits than its factorization.

25568085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100292.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 25568085 is about 5056.4893948272. The cubic root of 25568085 is about 294.5999941006.

The spelling of 25568085 in words is "twenty-five million, five hundred sixty-eight thousand, eighty-five".

Divisors: 1 3 5 15 17 51 85 255 100267 300801 501335 1504005 1704539 5113617 8522695 25568085