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64860448 = 252026889
BaseRepresentation
bin1111011101101…
…1000100100000
311112001020210211
43313123010200
5113101013243
610234103504
71415206342
oct367330440
9145036724
1064860448
1133680684
121987ab94
131058c383
148885292
155a62d9d
hex3ddb120

64860448 has 12 divisors (see below), whose sum is σ = 127694070. Its totient is φ = 32430208.

The previous prime is 64860431. The next prime is 64860449. The reversal of 64860448 is 84406846.

64860448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53758224 + 11102224 = 7332^2 + 3332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64860448.

It is not an unprimeable number, because it can be changed into a prime (64860449) 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 as a sum of consecutive naturals, namely, 1013413 + ... + 1013476.

Almost surely, 264860448 is an apocalyptic number.

It is an amenable number.

64860448 is a deficient number, since it is larger than the sum of its proper divisors (62833622).

64860448 is a wasteful number, since it uses less digits than its factorization.

64860448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026899 (or 2026891 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 64860448 is about 8053.5984503823. The cubic root of 64860448 is about 401.7846259344.

The spelling of 64860448 in words is "sixty-four million, eight hundred sixty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 2026889 4053778 8107556 16215112 32430224 64860448