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7009481 is a prime number
BaseRepresentation
bin11010101111010011001001
3111012010012102
4122233103021
53243300411
6410123145
7113402543
oct32572311
914163172
107009481
113a58366
1224204b5
1315b562b
14d06693
15936d3b
hex6af4c9

7009481 has 2 divisors, whose sum is σ = 7009482. Its totient is φ = 7009480.

The previous prime is 7009477. The next prime is 7009487. The reversal of 7009481 is 1849007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 13456 = 2645^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 7009481 - 22 = 7009477 is a prime.

It is a super-2 number, since 2×70094812 = 98265647778722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7009487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504740 + 3504741.

It is an arithmetic number, because the mean of its divisors is an integer number (3504741).

Almost surely, 27009481 is an apocalyptic number.

It is an amenable number.

7009481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7009481 is an equidigital number, since it uses as much as digits as its factorization.

7009481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7009481 is about 2647.5424453632. The cubic root of 7009481 is about 191.3794436034.

The spelling of 7009481 in words is "seven million, nine thousand, four hundred eighty-one".