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25442682 = 234240447
BaseRepresentation
bin110000100001…
…1100101111010
31202212121210120
41201003211322
523003131212
62305154110
7426154626
oct141034572
952777716
1025442682
11133a8511
12862b936
13536a855
143544186
15237888c
hex184397a

25442682 has 8 divisors (see below), whose sum is σ = 50885376. Its totient is φ = 8480892.

The previous prime is 25442639. The next prime is 25442687. The reversal of 25442682 is 28624452.

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

25442682 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (25442687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120218 + ... + 2120229.

It is an arithmetic number, because the mean of its divisors is an integer number (6360672).

Almost surely, 225442682 is an apocalyptic number.

25442682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25442682 is a wasteful number, since it uses less digits than its factorization.

25442682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240452.

The product of its digits is 30720, while the sum is 33.

The square root of 25442682 is about 5044.0739487046. The cubic root of 25442682 is about 294.1175660125.

The spelling of 25442682 in words is "twenty-five million, four hundred forty-two thousand, six hundred eighty-two".

Divisors: 1 2 3 6 4240447 8480894 12721341 25442682