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64783 is a prime number
BaseRepresentation
bin1111110100001111
310021212101
433310033
54033113
61215531
7356605
oct176417
9107771
1064783
1144744
12315a7
1323644
1419875
15142dd
hexfd0f

64783 has 2 divisors, whose sum is σ = 64784. Its totient is φ = 64782.

The previous prime is 64781. The next prime is 64793. The reversal of 64783 is 38746.

64783 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64783 - 21 = 64781 is a prime.

Together with 64781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32391 + 32392.

It is an arithmetic number, because the mean of its divisors is an integer number (32392).

264783 is an apocalyptic number.

64783 is a deficient number, since it is larger than the sum of its proper divisors (1).

64783 is an equidigital number, since it uses as much as digits as its factorization.

64783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 64783 is about 254.5250478833. The cubic root of 64783 is about 40.1624642409.

The spelling of 64783 in words is "sixty-four thousand, seven hundred eighty-three".