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20483461 is a prime number
BaseRepresentation
bin100111000100…
…0110110000101
31102112200000201
41032020312011
520220432321
62011010501
7336051355
oct116106605
942480021
1020483461
1110620589
126a39a31
1343224bb
142a12b65
151be9291
hex1388d85

20483461 has 2 divisors, whose sum is σ = 20483462. Its totient is φ = 20483460.

The previous prime is 20483423. The next prime is 20483471. The reversal of 20483461 is 16438402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13003236 + 7480225 = 3606^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20483461 - 213 = 20475269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20483401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10241730 + 10241731.

It is an arithmetic number, because the mean of its divisors is an integer number (10241731).

Almost surely, 220483461 is an apocalyptic number.

It is an amenable number.

20483461 is a deficient number, since it is larger than the sum of its proper divisors (1).

20483461 is an equidigital number, since it uses as much as digits as its factorization.

20483461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20483461 is about 4525.8657735289. The cubic root of 20483461 is about 273.6115626490.

The spelling of 20483461 in words is "twenty million, four hundred eighty-three thousand, four hundred sixty-one".