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1000242443 is a prime number
BaseRepresentation
bin111011100111100…
…111110100001011
32120201010120200102
4323213213310023
54022030224233
6243130400015
733533630504
oct7347476413
92521116612
101000242443
11473679a52
1223ab9000b
1312c2c3645
1496bb1bab
155cc2d1e8
hex3b9e7d0b

1000242443 has 2 divisors, whose sum is σ = 1000242444. Its totient is φ = 1000242442.

The previous prime is 1000242409. The next prime is 1000242461. The reversal of 1000242443 is 3442420001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000242443 - 210 = 1000241419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000242493) 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 as a sum of consecutive naturals, namely, 500121221 + 500121222.

It is an arithmetic number, because the mean of its divisors is an integer number (500121222).

Almost surely, 21000242443 is an apocalyptic number.

1000242443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000242443 is an equidigital number, since it uses as much as digits as its factorization.

1000242443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1000242443 is about 31626.6097297829. The cubic root of 1000242443 is about 1000.0808078033.

Adding to 1000242443 its reverse (3442420001), we get a palindrome (4442662444).

The spelling of 1000242443 in words is "one billion, two hundred forty-two thousand, four hundred forty-three".