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1042230401 is a prime number
BaseRepresentation
bin111110000111110…
…010110010000001
32200122010210022222
4332013302302001
54113302333101
6251230340425
734553545412
oct7607626201
92618123288
101042230401
11495348143
1225105a715
13137c04ca4
149c5c1809
156177401b
hex3e1f2c81

1042230401 has 2 divisors, whose sum is σ = 1042230402. Its totient is φ = 1042230400.

The previous prime is 1042230383. The next prime is 1042230421. The reversal of 1042230401 is 1040322401.

1042230401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632572801 + 409657600 = 25151^2 + 20240^2 .

It is an emirp because it is prime and its reverse (1040322401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042230401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042230401.

It is not a weakly prime, because it can be changed into another prime (1042230421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521115200 + 521115201.

It is an arithmetic number, because the mean of its divisors is an integer number (521115201).

Almost surely, 21042230401 is an apocalyptic number.

It is an amenable number.

1042230401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042230401 is an equidigital number, since it uses as much as digits as its factorization.

1042230401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1042230401 is about 32283.5933718661. The cubic root of 1042230401 is about 1013.8831660753.

Adding to 1042230401 its reverse (1040322401), we get a palindrome (2082552802).

The spelling of 1042230401 in words is "one billion, forty-two million, two hundred thirty thousand, four hundred one".