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64808833 is a prime number
BaseRepresentation
bin1111011100111…
…0011110000001
311111221122000011
43313032132001
5113042340313
610233024521
71414603015
oct367163601
9144848004
1064808833
1133645921
1219855141
1310571a2b
148870545
155a5293d
hex3dce781

64808833 has 2 divisors, whose sum is σ = 64808834. Its totient is φ = 64808832.

The previous prime is 64808813. The next prime is 64808839. The reversal of 64808833 is 33880846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56445169 + 8363664 = 7513^2 + 2892^2 .

It is a cyclic number.

It is not a de Polignac number, because 64808833 - 25 = 64808801 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (64808839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32404416 + 32404417.

It is an arithmetic number, because the mean of its divisors is an integer number (32404417).

Almost surely, 264808833 is an apocalyptic number.

It is an amenable number.

64808833 is a deficient number, since it is larger than the sum of its proper divisors (1).

64808833 is an equidigital number, since it uses as much as digits as its factorization.

64808833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 64808833 is about 8050.3933444273. The cubic root of 64808833 is about 401.6780195326.

The spelling of 64808833 in words is "sixty-four million, eight hundred eight thousand, eight hundred thirty-three".