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9488981 is a prime number
BaseRepresentation
bin100100001100…
…101001010101
3122212002102202
4210030221111
54412121411
6535214245
7143440445
oct44145125
918762382
109488981
1153a1237
123217385
131c730a8
141390125
15c7683b
hex90ca55

9488981 has 2 divisors, whose sum is σ = 9488982. Its totient is φ = 9488980.

The previous prime is 9488957. The next prime is 9488987. The reversal of 9488981 is 1898849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 1876900 = 2759^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 9488981 - 214 = 9472597 is a prime.

It is a super-2 number, since 2×94889812 = 180081520836722, which contains 22 as substring.

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 (9488987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4744490 + 4744491.

It is an arithmetic number, because the mean of its divisors is an integer number (4744491).

Almost surely, 29488981 is an apocalyptic number.

It is an amenable number.

9488981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9488981 is an equidigital number, since it uses as much as digits as its factorization.

9488981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 47.

The square root of 9488981 is about 3080.4189650111. The cubic root of 9488981 is about 211.7092623749.

The spelling of 9488981 in words is "nine million, four hundred eighty-eight thousand, nine hundred eighty-one".