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630432441 = 324111711459
BaseRepresentation
bin100101100100111…
…010001010111001
31121221021021201200
4211210322022321
52242342314231
6142320204413
721423405312
oct4544721271
91557237650
10630432441
112a3954251
12157169709
13a07c2662
145da29609
153a52ebe6
hex2593a2b9

630432441 has 24 divisors (see below), whose sum is σ = 934271520. Its totient is φ = 409406400.

The previous prime is 630432419. The next prime is 630432443. The reversal of 630432441 is 144234036.

630432441 is a `hidden beast` number, since 630 + 4 + 3 + 24 + 4 + 1 = 666.

630432441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630432441 - 214 = 630416057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630432443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431370 + ... + 432828.

It is an arithmetic number, because the mean of its divisors is an integer number (38927980).

Almost surely, 2630432441 is an apocalyptic number.

It is an amenable number.

630432441 is a deficient number, since it is larger than the sum of its proper divisors (303839079).

630432441 is a wasteful number, since it uses less digits than its factorization.

630432441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 630432441 is about 25108.4137491798. The cubic root of 630432441 is about 857.4579889716.

Adding to 630432441 its reverse (144234036), we get a palindrome (774666477).

The spelling of 630432441 in words is "six hundred thirty million, four hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 3 9 41 123 369 1171 1459 3513 4377 10539 13131 48011 59819 144033 179457 432099 538371 1708489 5125467 15376401 70048049 210144147 630432441