Search a number
-
+
64758413 is a prime number
BaseRepresentation
bin1111011100001…
…0001010001101
311111212001211202
43313002022031
5113034232123
610231555245
71414303016
oct367021215
9144761752
1064758413
1133610a55
121982bb25
1310554ab5
14885a00d
155a42a28
hex3dc228d

64758413 has 2 divisors, whose sum is σ = 64758414. Its totient is φ = 64758412.

The previous prime is 64758371. The next prime is 64758437. The reversal of 64758413 is 31485746.

64758413 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., 63952009 + 806404 = 7997^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 64758413 - 28 = 64758157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64758493) 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, 32379206 + 32379207.

It is an arithmetic number, because the mean of its divisors is an integer number (32379207).

Almost surely, 264758413 is an apocalyptic number.

It is an amenable number.

64758413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64758413 is an equidigital number, since it uses as much as digits as its factorization.

64758413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 64758413 is about 8047.2612111202. The cubic root of 64758413 is about 401.5738266363.

The spelling of 64758413 in words is "sixty-four million, seven hundred fifty-eight thousand, four hundred thirteen".