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1023242287 is a prime number
BaseRepresentation
bin111100111111010…
…111000000101111
32122022102002112111
4330333113000233
54043422223122
6245311344451
734233262444
oct7477270057
92568362474
101023242287
11485659091
12246822127
13133cb7312
1499c7b9cb
155ec72d77
hex3cfd702f

1023242287 has 2 divisors, whose sum is σ = 1023242288. Its totient is φ = 1023242286.

The previous prime is 1023242219. The next prime is 1023242317. The reversal of 1023242287 is 7822423201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023242287 - 227 = 889024559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023240287) 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, 511621143 + 511621144.

It is an arithmetic number, because the mean of its divisors is an integer number (511621144).

Almost surely, 21023242287 is an apocalyptic number.

1023242287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023242287 is an equidigital number, since it uses as much as digits as its factorization.

1023242287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1023242287 is about 31988.1585434360. The cubic root of 1023242287 is about 1007.6881695713.

Adding to 1023242287 its reverse (7822423201), we get a palindrome (8845665488).

The spelling of 1023242287 in words is "one billion, twenty-three million, two hundred forty-two thousand, two hundred eighty-seven".