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1442454055 = 57296721211
BaseRepresentation
bin101010111111010…
…0001101000100111
310201112020020222021
41111332201220213
510423232012210
6355044444011
750513441260
oct12576415047
93645206867
101442454055
11680256099
123430a9607
1319cac4313
14d9803967
158697dbda
hex55fa1a27

1442454055 has 32 divisors (see below), whose sum is σ = 2077079040. Its totient is φ = 940705920.

The previous prime is 1442454031. The next prime is 1442454059. The reversal of 1442454055 is 5504542441.

It is not a de Polignac number, because 1442454055 - 219 = 1441929767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442454055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442454059) 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 31 ways as a sum of consecutive naturals, for example, 57400 + ... + 78610.

It is an arithmetic number, because the mean of its divisors is an integer number (64908720).

Almost surely, 21442454055 is an apocalyptic number.

1442454055 is a deficient number, since it is larger than the sum of its proper divisors (634624985).

1442454055 is a wasteful number, since it uses less digits than its factorization.

1442454055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 1442454055 is about 37979.6531711389. The cubic root of 1442454055 is about 1129.8843578632.

Adding to 1442454055 its reverse (5504542441), we get a palindrome (6946996496).

The spelling of 1442454055 in words is "one billion, four hundred forty-two million, four hundred fifty-four thousand, fifty-five".

Divisors: 1 5 7 29 35 67 145 203 335 469 1015 1943 2345 9715 13601 21211 68005 106055 148477 615119 742385 1421137 3075595 4305833 7105685 9947959 21529165 41212973 49739795 206064865 288490811 1442454055