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44268769 = 56977801
BaseRepresentation
bin1010100011011…
…1110011100001
310002022002100001
42220313303201
542313100034
64220500001
71045164316
oct250676341
9102262301
1044268769
1122a96866
12129aa601
13922c84c
145c44d0d
153d46a14
hex2a37ce1

44268769 has 4 divisors (see below), whose sum is σ = 44347140. Its totient is φ = 44190400.

The previous prime is 44268751. The next prime is 44268773. The reversal of 44268769 is 96786244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 29160000 = 3887^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 44268769 - 221 = 42171617 is a prime.

It is a super-2 number, since 2×442687692 = 3919447817550722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44268739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38332 + ... + 39469.

It is an arithmetic number, because the mean of its divisors is an integer number (11086785).

Almost surely, 244268769 is an apocalyptic number.

It is an amenable number.

44268769 is a deficient number, since it is larger than the sum of its proper divisors (78371).

44268769 is an equidigital number, since it uses as much as digits as its factorization.

44268769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78370.

The product of its digits is 580608, while the sum is 46.

The square root of 44268769 is about 6653.4779626899. The cubic root of 44268769 is about 353.7521992480.

The spelling of 44268769 in words is "forty-four million, two hundred sixty-eight thousand, seven hundred sixty-nine".

Divisors: 1 569 77801 44268769