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25855423 = 1111032131
BaseRepresentation
bin110001010100…
…0010110111111
31210122120222021
41202220112333
523104333143
62322101011
7432524146
oct142502677
953576867
1025855423
111365a620
1287aa767
135483689
14361075d
15240aced
hex18a85bf

25855423 has 8 divisors (see below), whose sum is σ = 28244736. Its totient is φ = 23472600.

The previous prime is 25855421. The next prime is 25855469. The reversal of 25855423 is 32455852.

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 25855423 - 21 = 25855421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25855421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11068 + ... + 13198.

It is an arithmetic number, because the mean of its divisors is an integer number (3530592).

Almost surely, 225855423 is an apocalyptic number.

25855423 is a deficient number, since it is larger than the sum of its proper divisors (2389313).

25855423 is a wasteful number, since it uses less digits than its factorization.

25855423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245.

The product of its digits is 48000, while the sum is 34.

The square root of 25855423 is about 5084.8228091055. The cubic root of 25855423 is about 295.6994720355.

It can be divided in two parts, 2585 and 5423, that added together give a palindrome (8008).

The spelling of 25855423 in words is "twenty-five million, eight hundred fifty-five thousand, four hundred twenty-three".

Divisors: 1 11 1103 2131 12133 23441 2350493 25855423