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44227664 = 2413212633
BaseRepresentation
bin1010100010110…
…1110001010000
310002012222221122
42220231301100
542310241124
64215541412
71044633425
oct250556120
9102188848
1044227664
1122a68998
121298a868
139216c20
145c33d4c
153d3975e
hex2a2dc50

44227664 has 20 divisors (see below), whose sum is σ = 92283156. Its totient is φ = 20412672.

The previous prime is 44227663. The next prime is 44227721. The reversal of 44227664 is 46672244.

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 25806400 = 4292^2 + 5080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44227661) 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, 106109 + ... + 106524.

Almost surely, 244227664 is an apocalyptic number.

It is an amenable number.

44227664 is an abundant number, since it is smaller than the sum of its proper divisors (48055492).

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

44227664 is a wasteful number, since it uses less digits than its factorization.

44227664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212654 (or 212648 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 44227664 is about 6650.3882593425. The cubic root of 44227664 is about 353.6426751795.

The spelling of 44227664 in words is "forty-four million, two hundred twenty-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 212633 425266 850532 1701064 2764229 3402128 5528458 11056916 22113832 44227664