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1468440141 = 37528113241
BaseRepresentation
bin101011110000110…
…1001111001001101
310210100010111011220
41113201221321031
511001410041031
6401413433553
751250351410
oct12741517115
93710114156
101468440141
116939948a3
1234b93b8b9
131a52c22bc
14dd049b77
1588db3596
hex57869e4d

1468440141 has 16 divisors (see below), whose sum is σ = 2238215808. Its totient is φ = 838886400.

The previous prime is 1468440091. The next prime is 1468440163. The reversal of 1468440141 is 1410448641.

It is a happy number.

It is not a de Polignac number, because 1468440141 - 29 = 1468439629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468440191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104281 + ... + 117521.

It is an arithmetic number, because the mean of its divisors is an integer number (139888488).

Almost surely, 21468440141 is an apocalyptic number.

It is an amenable number.

1468440141 is a deficient number, since it is larger than the sum of its proper divisors (769775667).

1468440141 is a wasteful number, since it uses less digits than its factorization.

1468440141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1468440141 is about 38320.2314841651. The cubic root of 1468440141 is about 1136.6290439795.

Adding to 1468440141 its reverse (1410448641), we get a palindrome (2878888782).

The spelling of 1468440141 in words is "one billion, four hundred sixty-eight million, four hundred forty thousand, one hundred forty-one".

Divisors: 1 3 7 21 5281 13241 15843 36967 39723 92687 110901 278061 69925721 209777163 489480047 1468440141