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25668235 = 513733739
BaseRepresentation
bin110000111101…
…0101010001011
31210022002012101
41201322222023
523032340420
62314054231
7431114335
oct141725213
953262171
1025668235
1113541a1a
12871a377
135419408
1435a2455
1523c060a
hex187aa8b

25668235 has 8 divisors (see below), whose sum is σ = 30832560. Its totient is φ = 20514144.

The previous prime is 25668233. The next prime is 25668239. The reversal of 25668235 is 53286652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25668235 - 21 = 25668233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25668194 and 25668203.

It is not an unprimeable number, because it can be changed into a prime (25668233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (3854070).

Almost surely, 225668235 is an apocalyptic number.

25668235 is a deficient number, since it is larger than the sum of its proper divisors (5164325).

25668235 is a wasteful number, since it uses less digits than its factorization.

25668235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117.

The product of its digits is 86400, while the sum is 37.

The square root of 25668235 is about 5066.3828319621. The cubic root of 25668235 is about 294.9841416353.

It can be divided in two parts, 2566 and 8235, that added together give a palindrome (10801).

The spelling of 25668235 in words is "twenty-five million, six hundred sixty-eight thousand, two hundred thirty-five".

Divisors: 1 5 1373 3739 6865 18695 5133647 25668235