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25042041 = 341013061
BaseRepresentation
bin101111110000…
…1110001111001
31202010021020000
41133201301321
522402321131
62252423213
7422565603
oct137416171
952107200
1025042041
1113154502
128477b09
13525a39b
14347c173
1522e9ce6
hex17e1c79

25042041 has 20 divisors (see below), whose sum is σ = 37791204. Its totient is φ = 16524000.

The previous prime is 25042033. The next prime is 25042063. The reversal of 25042041 is 14024052.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 1071225 = 4896^2 + 1035^2 .

It is not a de Polignac number, because 25042041 - 23 = 25042033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25042001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6651 + ... + 9711.

Almost surely, 225042041 is an apocalyptic number.

It is an amenable number.

25042041 is a deficient number, since it is larger than the sum of its proper divisors (12749163).

25042041 is a wasteful number, since it uses less digits than its factorization.

25042041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 25042041 is about 5004.2023340389. The cubic root of 25042041 is about 292.5655868704.

Adding to 25042041 its reverse (14024052), we get a palindrome (39066093).

The spelling of 25042041 in words is "twenty-five million, forty-two thousand, forty-one".

Divisors: 1 3 9 27 81 101 303 909 2727 3061 8181 9183 27549 82647 247941 309161 927483 2782449 8347347 25042041