Search a number
-
+
64884896 = 255934367
BaseRepresentation
bin1111011110000…
…1000010100000
311112002111100022
43313201002200
5113102304041
610234413012
71415340536
oct367410240
9145074308
1064884896
1133697a8a
1219891168
131059a53b
148890156
155a6a24b
hex3de10a0

64884896 has 24 divisors (see below), whose sum is σ = 129911040. Its totient is φ = 31891648.

The previous prime is 64884889. The next prime is 64884899. The reversal of 64884896 is 69848846.

It is not an unprimeable number, because it can be changed into a prime (64884899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15296 + ... + 19071.

It is an arithmetic number, because the mean of its divisors is an integer number (5412960).

Almost surely, 264884896 is an apocalyptic number.

It is an amenable number.

64884896 is an abundant number, since it is smaller than the sum of its proper divisors (65026144).

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

64884896 is a wasteful number, since it uses less digits than its factorization.

64884896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34436 (or 34428 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 64884896 is about 8055.1161382068. The cubic root of 64884896 is about 401.8351014651.

The spelling of 64884896 in words is "sixty-four million, eight hundred eighty-four thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 59 118 236 472 944 1888 34367 68734 137468 274936 549872 1099744 2027653 4055306 8110612 16221224 32442448 64884896