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650427149 is a prime number
BaseRepresentation
bin100110110001001…
…011101100001101
31200022220010022102
4212301023230031
52313002132044
6144312524445
722055353031
oct4661135415
91608803272
10650427149
113041705a9
121619b0725
13a49a3548
14625521c1
153c17e24e
hex26c4bb0d

650427149 has 2 divisors, whose sum is σ = 650427150. Its totient is φ = 650427148.

The previous prime is 650427083. The next prime is 650427203. The reversal of 650427149 is 941724056.

650427149 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., 638572900 + 11854249 = 25270^2 + 3443^2 .

It is a cyclic number.

It is not a de Polignac number, because 650427149 - 28 = 650426893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650427049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325213574 + 325213575.

It is an arithmetic number, because the mean of its divisors is an integer number (325213575).

Almost surely, 2650427149 is an apocalyptic number.

It is an amenable number.

650427149 is a deficient number, since it is larger than the sum of its proper divisors (1).

650427149 is an equidigital number, since it uses as much as digits as its factorization.

650427149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 650427149 is about 25503.4732732622. The cubic root of 650427149 is about 866.4288141335.

The spelling of 650427149 in words is "six hundred fifty million, four hundred twenty-seven thousand, one hundred forty-nine".