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64014645 = 3518232341
BaseRepresentation
bin1111010000110…
…0100100110101
311110110021120210
43310030210311
5112341432040
610204020033
71405054422
oct364144465
9143407523
1064014645
1133153172
1219531619
13103543b6
148704d49
155947480
hex3d0c935

64014645 has 16 divisors (see below), whose sum is σ = 102523392. Its totient is φ = 34107840.

The previous prime is 64014641. The next prime is 64014679. The reversal of 64014645 is 54641046.

64014645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64014645 - 22 = 64014641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64014641) 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 15 ways as a sum of consecutive naturals, for example, 26175 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (6407712).

Almost surely, 264014645 is an apocalyptic number.

It is an amenable number.

64014645 is a deficient number, since it is larger than the sum of its proper divisors (38508747).

64014645 is a wasteful number, since it uses less digits than its factorization.

64014645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 64014645 is about 8000.9152601437. The cubic root of 64014645 is about 400.0305080897.

The spelling of 64014645 in words is "sixty-four million, fourteen thousand, six hundred forty-five".

Divisors: 1 3 5 15 1823 2341 5469 7023 9115 11705 27345 35115 4267643 12802929 21338215 64014645