Search a number
-
+
44012420 = 2252200621
BaseRepresentation
bin1010011111100…
…1001110000100
310001211001200122
42213321032010
542231344140
64211201112
71043046044
oct247711604
9101731618
1044012420
1122931201
12128a6198
13916cc6a
145bb9724
153ce5ab5
hex29f9384

44012420 has 12 divisors (see below), whose sum is σ = 92426124. Its totient is φ = 17604960.

The previous prime is 44012389. The next prime is 44012429. The reversal of 44012420 is 2421044.

44012420 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 2 ways, for example, as 22259524 + 21752896 = 4718^2 + 4664^2 .

It is a super-2 number, since 2×440124202 = 3874186228512800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44012429) 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 in 3 ways as a sum of consecutive naturals, for example, 1100291 + ... + 1100330.

It is an arithmetic number, because the mean of its divisors is an integer number (7702177).

Almost surely, 244012420 is an apocalyptic number.

It is an amenable number.

44012420 is an abundant number, since it is smaller than the sum of its proper divisors (48413704).

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

44012420 is a wasteful number, since it uses less digits than its factorization.

44012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200630 (or 2200628 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 44012420 is about 6634.1857073796. The cubic root of 44012420 is about 353.0680477761.

Adding to 44012420 its reverse (2421044), we get a palindrome (46433464).

The spelling of 44012420 in words is "forty-four million, twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2200621 4401242 8802484 11003105 22006210 44012420