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64014430 = 257387691
BaseRepresentation
bin1111010000110…
…0100001011110
311110110021021211
43310030201132
5112341430210
610204015034
71405053664
oct364144136
9143407254
1064014430
1133152a97
121953147a
131035427c
148704c34
15594738a
hex3d0c85e

64014430 has 16 divisors (see below), whose sum is σ = 116805744. Its totient is φ = 25254720.

The previous prime is 64014421. The next prime is 64014443. The reversal of 64014430 is 3441046.

It is a happy number.

64014430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 43116 + ... + 44575.

It is an arithmetic number, because the mean of its divisors is an integer number (7300359).

Almost surely, 264014430 is an apocalyptic number.

64014430 is a deficient number, since it is larger than the sum of its proper divisors (52791314).

64014430 is a wasteful number, since it uses less digits than its factorization.

64014430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87771.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64014430 is about 8000.9018241696. The cubic root of 64014430 is about 400.0300602409.

Adding to 64014430 its reverse (3441046), we get a palindrome (67455476).

The spelling of 64014430 in words is "sixty-four million, fourteen thousand, four hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 87691 175382 438455 876910 6401443 12802886 32007215 64014430