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1023220241 is a prime number
BaseRepresentation
bin111100111111010…
…001101000010001
32122022100222021222
4330333101220101
54043421021431
6245311054425
734233141251
oct7477215021
92568328258
101023220241
1148564356a
12246811415
13133caa284
1499c73961
155ec6b57b
hex3cfd1a11

1023220241 has 2 divisors, whose sum is σ = 1023220242. Its totient is φ = 1023220240.

The previous prime is 1023220229. The next prime is 1023220267. The reversal of 1023220241 is 1420223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694849600 + 328370641 = 26360^2 + 18121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023220241 - 222 = 1019025937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1023220201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511610120 + 511610121.

It is an arithmetic number, because the mean of its divisors is an integer number (511610121).

Almost surely, 21023220241 is an apocalyptic number.

It is an amenable number.

1023220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023220241 is an equidigital number, since it uses as much as digits as its factorization.

1023220241 is an evil number, because the sum of its binary digits is even.

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

The square root of 1023220241 is about 31987.8139453136. The cubic root of 1023220241 is about 1007.6809325584.

Adding to 1023220241 its reverse (1420223201), we get a palindrome (2443443442).

The spelling of 1023220241 in words is "one billion, twenty-three million, two hundred twenty thousand, two hundred forty-one".