Search a number
-
+
64105244 = 2272289473
BaseRepresentation
bin1111010010001…
…0101100011100
311110121212212022
43310202230130
5112402331434
610205555312
71405612520
oct364425434
9143555768
1064105244
1133205245
1219575b38
13103866c8
148729d80
15596422e
hex3d22b1c

64105244 has 12 divisors (see below), whose sum is σ = 128210544. Its totient is φ = 27473664.

The previous prime is 64105231. The next prime is 64105253. The reversal of 64105244 is 44250146.

64105244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

64105244 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 1144709 + ... + 1144764.

It is an arithmetic number, because the mean of its divisors is an integer number (10684212).

Almost surely, 264105244 is an apocalyptic number.

It is an amenable number.

64105244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64105244 is a wasteful number, since it uses less digits than its factorization.

64105244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289484 (or 2289482 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 64105244 is about 8006.5750480464. The cubic root of 64105244 is about 400.2191382575.

The spelling of 64105244 in words is "sixty-four million, one hundred five thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 2289473 4578946 9157892 16026311 32052622 64105244