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1442341349 is a prime number
BaseRepresentation
bin101010111111000…
…0110000111100101
310201112000112100222
41111332012013211
510423214410344
6355042214125
750512461551
oct12576060745
93645015328
101442341349
11680189449
12343054345
1319ca84c27
14d97b4861
158695a5ee
hex55f861e5

1442341349 has 2 divisors, whose sum is σ = 1442341350. Its totient is φ = 1442341348.

The previous prime is 1442341291. The next prime is 1442341427. The reversal of 1442341349 is 9431432441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875568100 + 566773249 = 29590^2 + 23807^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442341349 - 220 = 1441292773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442341249) 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 as a sum of consecutive naturals, namely, 721170674 + 721170675.

It is an arithmetic number, because the mean of its divisors is an integer number (721170675).

Almost surely, 21442341349 is an apocalyptic number.

It is an amenable number.

1442341349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442341349 is an equidigital number, since it uses as much as digits as its factorization.

1442341349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 1442341349 is about 37978.1693739970. The cubic root of 1442341349 is about 1129.8549292972.

The spelling of 1442341349 in words is "one billion, four hundred forty-two million, three hundred forty-one thousand, three hundred forty-nine".