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1440050047 is a prime number
BaseRepresentation
bin101010111010101…
…0110101101111111
310201100201010021221
41111311112231333
510422123100142
6354521134211
750454136432
oct12565265577
93640633257
101440050047
11679963a07
1234232a367
1319c462027
14d9379819
1586656767
hex55d56b7f

1440050047 has 2 divisors, whose sum is σ = 1440050048. Its totient is φ = 1440050046.

The previous prime is 1440050041. The next prime is 1440050063. The reversal of 1440050047 is 7400500441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1440050047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440050041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720025023 + 720025024.

It is an arithmetic number, because the mean of its divisors is an integer number (720025024).

Almost surely, 21440050047 is an apocalyptic number.

1440050047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440050047 is an equidigital number, since it uses as much as digits as its factorization.

1440050047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1440050047 is about 37947.9913434163. The cubic root of 1440050047 is about 1129.2563167363.

Adding to 1440050047 its reverse (7400500441), we get a palindrome (8840550488).

The spelling of 1440050047 in words is "one billion, four hundred forty million, fifty thousand, forty-seven".