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424404441 = 34231571451
BaseRepresentation
bin11001010010111…
…110010111011001
31002120120222110000
4121102332113121
51332121420231
6110040243213
713342243506
oct3122762731
91076528400
10424404441
111a862437a
12ba170509
1369c076b6
14405184ad
15273d46e6
hex194be5d9

424404441 has 40 divisors (see below), whose sum is σ = 666224064. Its totient is φ = 268725600.

The previous prime is 424404433. The next prime is 424404451. The reversal of 424404441 is 144404424.

It is not a de Polignac number, because 424404441 - 23 = 424404433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (424404401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 291766 + ... + 293216.

Almost surely, 2424404441 is an apocalyptic number.

It is an amenable number.

424404441 is a deficient number, since it is larger than the sum of its proper divisors (241819623).

424404441 is a wasteful number, since it uses less digits than its factorization.

424404441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 424404441 is about 20601.0786368093. The cubic root of 424404441 is about 751.4959422253.

Adding to 424404441 its reverse (144404424), we get a palindrome (568808865).

The spelling of 424404441 in words is "four hundred twenty-four million, four hundred four thousand, four hundred forty-one".

Divisors: 1 3 9 23 27 69 81 157 207 471 621 1413 1451 1863 3611 4239 4353 10833 12717 13059 32499 33373 39177 97497 100119 117531 227807 292491 300357 683421 901071 2050263 2703213 5239561 6150789 15718683 18452367 47156049 141468147 424404441