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25441013 = 132385087
BaseRepresentation
bin110000100001…
…1001011110101
31202212112111202
41201003023311
523003103023
62305142245
7426150023
oct141031365
952775452
1025441013
11133a7234
12862a985
135369b70
143543713
152378128
hex18432f5

25441013 has 8 divisors (see below), whose sum is σ = 28589568. Its totient is φ = 22462704.

The previous prime is 25440979. The next prime is 25441043. The reversal of 25441013 is 31014452.

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 25441013 - 216 = 25375477 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 (25441043) 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, 42245 + ... + 42842.

It is an arithmetic number, because the mean of its divisors is an integer number (3573696).

Almost surely, 225441013 is an apocalyptic number.

25441013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25441013 is a deficient number, since it is larger than the sum of its proper divisors (3148555).

25441013 is a wasteful number, since it uses less digits than its factorization.

25441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85123.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25441013 is about 5043.9085043248. The cubic root of 25441013 is about 294.1111346550. Note that the first 4 decimals are identical.

Adding to 25441013 its reverse (31014452), we get a palindrome (56455465).

The spelling of 25441013 in words is "twenty-five million, four hundred forty-one thousand, thirteen".

Divisors: 1 13 23 299 85087 1106131 1957001 25441013