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1428360943 is a prime number
BaseRepresentation
bin101010100100011…
…0000111011101111
310200112201020212011
41111020300323233
510411130022233
6353422422051
750252603422
oct12510607357
93615636764
101428360943
116732aa799
1233a431927
13199bcb6b9
14d79b59b9
15855e80cd
hex55230eef

1428360943 has 2 divisors, whose sum is σ = 1428360944. Its totient is φ = 1428360942.

The previous prime is 1428360883. The next prime is 1428360949. The reversal of 1428360943 is 3490638241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1428360943 - 217 = 1428229871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428360896 and 1428360905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428360949) 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 as a sum of consecutive naturals, namely, 714180471 + 714180472.

It is an arithmetic number, because the mean of its divisors is an integer number (714180472).

Almost surely, 21428360943 is an apocalyptic number.

1428360943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428360943 is an equidigital number, since it uses as much as digits as its factorization.

1428360943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1428360943 is about 37793.6627359667. The cubic root of 1428360943 is about 1126.1925639767.

The spelling of 1428360943 in words is "one billion, four hundred twenty-eight million, three hundred sixty thousand, nine hundred forty-three".