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25421041 = 432832089
BaseRepresentation
bin110000011111…
…0010011110001
31202211112010001
41200332103301
523001433131
62304510001
7426034552
oct140762361
952745101
1025421041
1113393228
12861b301
135360a49
14353a329
152372261
hex183e4f1

25421041 has 8 divisors (see below), whose sum is σ = 26116640. Its totient is φ = 24730272.

The previous prime is 25421027. The next prime is 25421059. The reversal of 25421041 is 14012452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25421041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25421021) 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, 11125 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (3264580).

Almost surely, 225421041 is an apocalyptic number.

It is an amenable number.

25421041 is a deficient number, since it is larger than the sum of its proper divisors (695599).

25421041 is a wasteful number, since it uses less digits than its factorization.

25421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 25421041 is about 5041.9283017512. The cubic root of 25421041 is about 294.0341523255.

Adding to 25421041 its reverse (14012452), we get a palindrome (39433493).

The spelling of 25421041 in words is "twenty-five million, four hundred twenty-one thousand, forty-one".

Divisors: 1 43 283 2089 12169 89827 591187 25421041