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1005254141 is a prime number
BaseRepresentation
bin111011111010101…
…111010111111101
32121001120012102212
4323322233113331
54024321113031
6243430030205
733624343043
oct7372572775
92531505385
101005254141
11476492351
122407a8365
13130359848
1497718393
155d3bd12b
hex3beaf5fd

1005254141 has 2 divisors, whose sum is σ = 1005254142. Its totient is φ = 1005254140.

The previous prime is 1005254119. The next prime is 1005254153. The reversal of 1005254141 is 1414525001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802305625 + 202948516 = 28325^2 + 14246^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005254141 - 214 = 1005237757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005253141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502627070 + 502627071.

It is an arithmetic number, because the mean of its divisors is an integer number (502627071).

Almost surely, 21005254141 is an apocalyptic number.

It is an amenable number.

1005254141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005254141 is an equidigital number, since it uses as much as digits as its factorization.

1005254141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1005254141 is about 31705.7430286691. The cubic root of 1005254141 is about 1001.7483219225.

Adding to 1005254141 its reverse (1414525001), we get a palindrome (2419779142).

The spelling of 1005254141 in words is "one billion, five million, two hundred fifty-four thousand, one hundred forty-one".