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1244244404 = 221367357131
BaseRepresentation
bin100101000101001…
…1010100110110100
310012201021011110002
41022022122212310
510022011310104
6323244250432
742555621464
oct11212324664
93181234402
101244244404
11589386267
122a8840a18
1316aa15bc0
14bb369ba4
157437a01e
hex4a29a9b4

1244244404 has 24 divisors (see below), whose sum is σ = 2379927648. Its totient is φ = 565693920.

The previous prime is 1244244403. The next prime is 1244244437. The reversal of 1244244404 is 4044424421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244244401) 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, 175082 + ... + 182049.

It is an arithmetic number, because the mean of its divisors is an integer number (99163652).

Almost surely, 21244244404 is an apocalyptic number.

It is an amenable number.

1244244404 is a deficient number, since it is larger than the sum of its proper divisors (1135683244).

1244244404 is a wasteful number, since it uses less digits than its factorization.

1244244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357215 (or 357213 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 1244244404 is about 35273.8487267834. The cubic root of 1244244404 is about 1075.5614601571.

Adding to 1244244404 its reverse (4044424421), we get a palindrome (5288668825).

The spelling of 1244244404 in words is "one billion, two hundred forty-four million, two hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 13 26 52 67 134 268 871 1742 3484 357131 714262 1428524 4642703 9285406 18570812 23927777 47855554 95711108 311061101 622122202 1244244404