Search a number
-
+
63486149 is a prime number
BaseRepresentation
bin1111001000101…
…1100011000101
311102110102121212
43302023203011
5112223024044
610144421205
71400423546
oct362134305
9142412555
1063486149
11329220a1
1219317805
13101ca98c
1486084cd
155890a9e
hex3c8b8c5

63486149 has 2 divisors, whose sum is σ = 63486150. Its totient is φ = 63486148.

The previous prime is 63486139. The next prime is 63486151. The reversal of 63486149 is 94168436.

63486149 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., 58033924 + 5452225 = 7618^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 63486149 - 28 = 63485893 is a prime.

It is a super-2 number, since 2×634861492 = 8060982229700402, which contains 22 as substring.

Together with 63486151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63486139) 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, 31743074 + 31743075.

It is an arithmetic number, because the mean of its divisors is an integer number (31743075).

Almost surely, 263486149 is an apocalyptic number.

It is an amenable number.

63486149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63486149 is an equidigital number, since it uses as much as digits as its factorization.

63486149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 63486149 is about 7967.8195888210. The cubic root of 63486149 is about 398.9265991867.

The spelling of 63486149 in words is "sixty-three million, four hundred eighty-six thousand, one hundred forty-nine".