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1244041424 = 24163747497
BaseRepresentation
bin100101000100110…
…1001000011010000
310012200212212000022
41022021221003100
510021433311144
6323240043012
742554114633
oct11211510320
93180785008
101244041424
1158925780a
122a8763468
1316a9746b2
14bb315c1a
1574339cee
hex4a2690d0

1244041424 has 20 divisors (see below), whose sum is σ = 2411853444. Its totient is φ = 621627648.

The previous prime is 1244041423. The next prime is 1244041429. The reversal of 1244041424 is 4241404421.

It can be written as a sum of positive squares in 2 ways, for example, as 564917824 + 679123600 = 23768^2 + 26060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1244041393 and 1244041402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244041423) 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, 2444 + ... + 49940.

Almost surely, 21244041424 is an apocalyptic number.

It is an amenable number.

1244041424 is a deficient number, since it is larger than the sum of its proper divisors (1167812020).

1244041424 is a wasteful number, since it uses less digits than its factorization.

1244041424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49142 (or 49136 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1244041424 is about 35270.9714070934. The cubic root of 1244041424 is about 1075.5029696822.

Adding to 1244041424 its reverse (4241404421), we get a palindrome (5485445845).

The spelling of 1244041424 in words is "one billion, two hundred forty-four million, forty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 1637 3274 6548 13096 26192 47497 94994 189988 379976 759952 77752589 155505178 311010356 622020712 1244041424