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64263814 = 2197921407
BaseRepresentation
bin1111010100100…
…1011010000110
311110220221101021
43311021122012
5112422420224
610213221354
71410143026
oct365113206
9143827337
1064263814
113330339a
121963185a
1310410934
14876ba86
1559961e4
hex3d49686

64263814 has 16 divisors (see below), whose sum is σ = 102758400. Its totient is φ = 30054024.

The previous prime is 64263811. The next prime is 64263827. The reversal of 64263814 is 41836246.

64263814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64263814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64263811) 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 in 7 ways as a sum of consecutive naturals, for example, 7702 + ... + 13705.

It is an arithmetic number, because the mean of its divisors is an integer number (6422400).

Almost surely, 264263814 is an apocalyptic number.

64263814 is a deficient number, since it is larger than the sum of its proper divisors (38494586).

64263814 is a wasteful number, since it uses less digits than its factorization.

64263814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21507.

The product of its digits is 27648, while the sum is 34.

The square root of 64263814 is about 8016.4714182738. The cubic root of 64263814 is about 400.5488590399.

The spelling of 64263814 in words is "sixty-four million, two hundred sixty-three thousand, eight hundred fourteen".

Divisors: 1 2 19 38 79 158 1501 3002 21407 42814 406733 813466 1691153 3382306 32131907 64263814