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1026383221 is a prime number
BaseRepresentation
bin111101001011010…
…101110101110101
32122112022200002101
4331023111311311
54100223230341
6245502542101
734302053623
oct7513256565
92575280071
101026383221
114874039a6
12247897931
13134846b66
149a458513
1560193831
hex3d2d5d75

1026383221 has 2 divisors, whose sum is σ = 1026383222. Its totient is φ = 1026383220.

The previous prime is 1026383207. The next prime is 1026383263. The reversal of 1026383221 is 1223836201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735168996 + 291214225 = 27114^2 + 17065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026383221 - 211 = 1026381173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026383221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026383201) 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, 513191610 + 513191611.

It is an arithmetic number, because the mean of its divisors is an integer number (513191611).

Almost surely, 21026383221 is an apocalyptic number.

It is an amenable number.

1026383221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026383221 is an equidigital number, since it uses as much as digits as its factorization.

1026383221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1026383221 is about 32037.2161868037. The cubic root of 1026383221 is about 1008.7181794669.

The spelling of 1026383221 in words is "one billion, twenty-six million, three hundred eighty-three thousand, two hundred twenty-one".