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10184981 is a prime number
BaseRepresentation
bin100110110110…
…100100010101
3201011110011112
4212312210111
510101404411
61002144405
7152366552
oct46664425
921143145
1010184981
115827144
1234b2105
132157b21
1414d1a29
15d62b8b
hex9b6915

10184981 has 2 divisors, whose sum is σ = 10184982. Its totient is φ = 10184980.

The previous prime is 10184963. The next prime is 10184983. The reversal of 10184981 is 18948101.

10184981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 2500 = 3191^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10184981 is a prime.

It is a super-2 number, since 2×101849812 = 207467675940722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10184983, it forms a pair of twin primes.

It is a Chen 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 (10184983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5092490 + 5092491.

It is an arithmetic number, because the mean of its divisors is an integer number (5092491).

Almost surely, 210184981 is an apocalyptic number.

It is an amenable number.

10184981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10184981 is an equidigital number, since it uses as much as digits as its factorization.

10184981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 10184981 is about 3191.3917026902. The cubic root of 10184981 is about 216.7637926149.

The spelling of 10184981 in words is "ten million, one hundred eighty-four thousand, nine hundred eighty-one".