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44444320 = 2552291213
BaseRepresentation
bin1010100110001…
…0101010100000
310002122000010221
42221202222200
542334204240
64224332424
71046525164
oct251425240
9102560127
1044444320
11230a6748
1212a74114
13929171b
145c8cca4
153d7da4a
hex2a62aa0

44444320 has 48 divisors (see below), whose sum is σ = 105545160. Its totient is φ = 17685504.

The previous prime is 44444317. The next prime is 44444321. The reversal of 44444320 is 2344444.

It can be written as a sum of positive squares in 4 ways, for example, as 34433424 + 10010896 = 5868^2 + 3164^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44444321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36034 + ... + 37246.

Almost surely, 244444320 is an apocalyptic number.

44444320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44444320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52772580).

44444320 is an abundant number, since it is smaller than the sum of its proper divisors (61100840).

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

44444320 is a wasteful number, since it uses less digits than its factorization.

44444320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 44444320 is about 6666.6573333268. The cubic root of 44444320 is about 354.2191924557.

Adding to 44444320 its reverse (2344444), we get a palindrome (46788764).

The spelling of 44444320 in words is "forty-four million, four hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 229 458 916 1145 1213 1832 2290 2426 3664 4580 4852 6065 7328 9160 9704 12130 18320 19408 24260 36640 38816 48520 97040 194080 277777 555554 1111108 1388885 2222216 2777770 4444432 5555540 8888864 11111080 22222160 44444320