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1005046481 is a prime number
BaseRepresentation
bin111011111001111…
…100101011010001
32121001011122120202
4323321330223101
54024242441411
6243421344545
733622516445
oct7371745321
92531148522
101005046481
1147636032a
12240708155
131302b617a
14976a2825
155d37b83b
hex3be7cad1

1005046481 has 2 divisors, whose sum is σ = 1005046482. Its totient is φ = 1005046480.

The previous prime is 1005046423. The next prime is 1005046513. The reversal of 1005046481 is 1846405001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620259025 + 384787456 = 24905^2 + 19616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1005046481 is a prime.

It is a super-2 number, since 2×10050464812 = 2020236857940966722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1005046411) 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, 502523240 + 502523241.

It is an arithmetic number, because the mean of its divisors is an integer number (502523241).

Almost surely, 21005046481 is an apocalyptic number.

It is an amenable number.

1005046481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005046481 is an equidigital number, since it uses as much as digits as its factorization.

1005046481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1005046481 is about 31702.4680584966. The cubic root of 1005046481 is about 1001.6793385766.

The spelling of 1005046481 in words is "one billion, five million, forty-six thousand, four hundred eighty-one".