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1042038461 is a prime number
BaseRepresentation
bin111110000111000…
…011111010111101
32200121210001001002
4332013003322331
54113230212321
6251222300045
734552116002
oct7607037275
92617701032
101042038461
11495226a12
12250b87625
13137b68809
149c5718a9
156173720b
hex3e1c3ebd

1042038461 has 2 divisors, whose sum is σ = 1042038462. Its totient is φ = 1042038460.

The previous prime is 1042038383. The next prime is 1042038499. The reversal of 1042038461 is 1648302401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998939236 + 43099225 = 31606^2 + 6565^2 .

It is an emirp because it is prime and its reverse (1648302401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042038461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042038761) 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, 521019230 + 521019231.

It is an arithmetic number, because the mean of its divisors is an integer number (521019231).

Almost surely, 21042038461 is an apocalyptic number.

It is an amenable number.

1042038461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042038461 is an equidigital number, since it uses as much as digits as its factorization.

1042038461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1042038461 is about 32280.6205175799. The cubic root of 1042038461 is about 1013.8209224222.

The spelling of 1042038461 in words is "one billion, forty-two million, thirty-eight thousand, four hundred sixty-one".