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64344303 = 3217420551
BaseRepresentation
bin1111010101110…
…1000011101111
311111002000210100
43311131003233
5112433004203
610215042143
71410626502
oct365350357
9144060710
1064344303
1133358911
1219670353
131043b46a
14878d139
1559aeea3
hex3d5d0ef

64344303 has 12 divisors (see below), whose sum is σ = 98409168. Its totient is φ = 40372800.

The previous prime is 64344151. The next prime is 64344307. The reversal of 64344303 is 30344346.

It is not a de Polignac number, because 64344303 - 217 = 64213231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64344307) 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 in 11 ways as a sum of consecutive naturals, for example, 210123 + ... + 210428.

It is an arithmetic number, because the mean of its divisors is an integer number (8200764).

Almost surely, 264344303 is an apocalyptic number.

64344303 is a deficient number, since it is larger than the sum of its proper divisors (34064865).

64344303 is a wasteful number, since it uses less digits than its factorization.

64344303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420574 (or 420571 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 64344303 is about 8021.4900735462. The cubic root of 64344303 is about 400.7160154566.

Adding to 64344303 its reverse (30344346), we get a palindrome (94688649).

The spelling of 64344303 in words is "sixty-four million, three hundred forty-four thousand, three hundred three".

Divisors: 1 3 9 17 51 153 420551 1261653 3784959 7149367 21448101 64344303