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424544025 = 352792907
BaseRepresentation
bin11001010011100…
…000011100011001
31002120212001220210
4121103200130121
51332140402100
6110043241333
713343364453
oct3123403431
91076761823
10424544025
111a870a234
12ba219249
1369c560a9
14405532d3
1527410c50
hex194e0719

424544025 has 36 divisors (see below), whose sum is σ = 711694032. Its totient is φ = 223310880.

The previous prime is 424544023. The next prime is 424544033. The reversal of 424544025 is 520445424.

It is not a de Polignac number, because 424544025 - 21 = 424544023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424543983 and 424544001.

It is not an unprimeable number, because it can be changed into a prime (424544023) 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 35 ways as a sum of consecutive naturals, for example, 467622 + ... + 468528.

Almost surely, 2424544025 is an apocalyptic number.

It is an amenable number.

424544025 is a deficient number, since it is larger than the sum of its proper divisors (287150007).

424544025 is an equidigital number, since it uses as much as digits as its factorization.

424544025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 424544025 is about 20604.4661420771. The cubic root of 424544025 is about 751.5783206531.

Adding to 424544025 its reverse (520445424), we get a palindrome (944989449).

The spelling of 424544025 in words is "four hundred twenty-four million, five hundred forty-four thousand, twenty-five".

Divisors: 1 3 5 15 25 75 79 237 395 907 1185 1975 2721 4535 5925 6241 13605 18723 22675 31205 68025 71653 93615 156025 214959 358265 468075 1074795 1791325 5373975 5660587 16981761 28302935 84908805 141514675 424544025