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64211056 = 2471344101
BaseRepresentation
bin1111010011110…
…0100001110000
311110211021000021
43310330201300
5112414223211
610212133224
71406533150
oct364744160
9143737007
1064211056
1133277798
1219607214
13103c2910
148756760
155985771
hex3d3c870

64211056 has 40 divisors (see below), whose sum is σ = 153122144. Its totient is φ = 25401600.

The previous prime is 64211047. The next prime is 64211087. The reversal of 64211056 is 65011246.

64211056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64211056.

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 7 ways as a sum of consecutive naturals, for example, 20595 + ... + 23506.

Almost surely, 264211056 is an apocalyptic number.

It is an amenable number.

64211056 is an abundant number, since it is smaller than the sum of its proper divisors (88911088).

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

64211056 is a wasteful number, since it uses less digits than its factorization.

64211056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44129 (or 44123 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 64211056 is about 8013.1801427398. The cubic root of 64211056 is about 400.4392175434.

The spelling of 64211056 in words is "sixty-four million, two hundred eleven thousand, fifty-six".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 44101 88202 176404 308707 352808 573313 617414 705616 1146626 1234828 2293252 2469656 4013191 4586504 4939312 8026382 9173008 16052764 32105528 64211056