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1030443423 = 31783243431
BaseRepresentation
bin111101011010110…
…101000110011111
32122210221221122020
4331122311012133
54102243142143
6250125551223
734351424142
oct7532650637
92583857566
101030443423
11489727439
12249115513
13135638c49
149abd4059
15606e6883
hex3d6b519f

1030443423 has 16 divisors (see below), whose sum is σ = 1472276736. Its totient is φ = 638760320.

The previous prime is 1030443419. The next prime is 1030443433. The reversal of 1030443423 is 3243440301.

It is a cyclic number.

It is not a de Polignac number, because 1030443423 - 22 = 1030443419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030443393 and 1030443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030443433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117483 + ... + 125948.

It is an arithmetic number, because the mean of its divisors is an integer number (92017296).

Almost surely, 21030443423 is an apocalyptic number.

1030443423 is a deficient number, since it is larger than the sum of its proper divisors (441833313).

1030443423 is a wasteful number, since it uses less digits than its factorization.

1030443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243534.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1030443423 is about 32100.5206032550. The cubic root of 1030443423 is about 1010.0465367572.

Adding to 1030443423 its reverse (3243440301), we get a palindrome (4273883724).

The spelling of 1030443423 in words is "one billion, thirty million, four hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 3 17 51 83 249 1411 4233 243431 730293 4138327 12414981 20204773 60614319 343481141 1030443423