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64461344 = 252119547
BaseRepresentation
bin1111010111100…
…1101000100000
311111021222100012
43311321220200
5113000230334
610221344052
71411624643
oct365715040
9144258305
1064461344
1133428842
1219708028
131047c80c
1487bda5a
1559d49ce
hex3d79a20

64461344 has 24 divisors (see below), whose sum is σ = 127523088. Its totient is φ = 32074560.

The previous prime is 64461329. The next prime is 64461349. The reversal of 64461344 is 44316446.

64461344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 64461344.

It is not an unprimeable number, because it can be changed into a prime (64461349) 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 3 ways as a sum of consecutive naturals, for example, 1979 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (5313462).

Almost surely, 264461344 is an apocalyptic number.

It is an amenable number.

64461344 is a deficient number, since it is larger than the sum of its proper divisors (63061744).

64461344 is a wasteful number, since it uses less digits than its factorization.

64461344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768 (or 9760 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 64461344 is about 8028.7822239739. The cubic root of 64461344 is about 400.9588330946.

The spelling of 64461344 in words is "sixty-four million, four hundred sixty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 211 422 844 1688 3376 6752 9547 19094 38188 76376 152752 305504 2014417 4028834 8057668 16115336 32230672 64461344