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1244302443 = 32138255827
BaseRepresentation
bin100101000101010…
…1000110001101011
310012201101010001200
41022022220301223
510022020134233
6323245415243
742556252626
oct11212506153
93181333050
101244302443
1158941592a
122a886a523
1316aa36447
14bb382dbd
157438c313
hex4a2a8c6b

1244302443 has 6 divisors (see below), whose sum is σ = 1797325764. Its totient is φ = 829534956.

The previous prime is 1244302441. The next prime is 1244302463. The reversal of 1244302443 is 3442034421.

It is a happy number.

It is not a de Polignac number, because 1244302443 - 21 = 1244302441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244302441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69127905 + ... + 69127922.

It is an arithmetic number, because the mean of its divisors is an integer number (299554294).

Almost surely, 21244302443 is an apocalyptic number.

1244302443 is a deficient number, since it is larger than the sum of its proper divisors (553023321).

1244302443 is a wasteful number, since it uses less digits than its factorization.

1244302443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138255833 (or 138255830 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1244302443 is about 35274.6714088168. The cubic root of 1244302443 is about 1075.5781834366.

Adding to 1244302443 its reverse (3442034421), we get a palindrome (4686336864).

The spelling of 1244302443 in words is "one billion, two hundred forty-four million, three hundred two thousand, four hundred forty-three".

Divisors: 1 3 9 138255827 414767481 1244302443