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64738033 is a prime number
BaseRepresentation
bin1111011011110…
…1001011110001
311111211000212221
43312331023301
5113033104113
610231321041
71414156423
oct366751361
9144730787
1064738033
11335a7708
1219820181
1310548739
148852813
155a3b98d
hex3dbd2f1

64738033 has 2 divisors, whose sum is σ = 64738034. Its totient is φ = 64738032.

The previous prime is 64738027. The next prime is 64738061. The reversal of 64738033 is 33083746.

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., 38850289 + 25887744 = 6233^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 64738033 - 225 = 31183601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64738033.

It is not a weakly prime, because it can be changed into another prime (64738733) 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, 32369016 + 32369017.

It is an arithmetic number, because the mean of its divisors is an integer number (32369017).

Almost surely, 264738033 is an apocalyptic number.

It is an amenable number.

64738033 is a deficient number, since it is larger than the sum of its proper divisors (1).

64738033 is an equidigital number, since it uses as much as digits as its factorization.

64738033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 64738033 is about 8045.9948421559. The cubic root of 64738033 is about 401.5316960317.

The spelling of 64738033 in words is "sixty-four million, seven hundred thirty-eight thousand, thirty-three".