Search a number
-
+
64106429 is a prime number
BaseRepresentation
bin1111010010001…
…0111110111101
311110121221111012
43310202332331
5112402401204
610210005005
71405616132
oct364427675
9143557435
1064106429
1133206122
1219576765
13103870ca
14872a589
15596476e
hex3d22fbd

64106429 has 2 divisors, whose sum is σ = 64106430. Its totient is φ = 64106428.

The previous prime is 64106423. The next prime is 64106453. The reversal of 64106429 is 92460146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 18232900 = 6773^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 64106429 - 28 = 64106173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64106395 and 64106404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64106423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32053214 + 32053215.

It is an arithmetic number, because the mean of its divisors is an integer number (32053215).

Almost surely, 264106429 is an apocalyptic number.

It is an amenable number.

64106429 is a deficient number, since it is larger than the sum of its proper divisors (1).

64106429 is an equidigital number, since it uses as much as digits as its factorization.

64106429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64106429 is about 8006.6490493839. The cubic root of 64106429 is about 400.2216042895.

The spelling of 64106429 in words is "sixty-four million, one hundred six thousand, four hundred twenty-nine".