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1442023441 is a prime number
BaseRepresentation
bin101010111110011…
…1000100000010001
310201111102101021121
41111330320200101
510423124222231
6355031322241
750506665655
oct12574704021
93644371247
101442023441
1167aa91611
12342b20381
1319c9a3311
14d9730a65
15868e6311
hex55f38811

1442023441 has 2 divisors, whose sum is σ = 1442023442. Its totient is φ = 1442023440.

The previous prime is 1442023421. The next prime is 1442023481. The reversal of 1442023441 is 1443202441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114558225 + 327465216 = 33385^2 + 18096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442023441 - 25 = 1442023409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442023421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721011720 + 721011721.

It is an arithmetic number, because the mean of its divisors is an integer number (721011721).

Almost surely, 21442023441 is an apocalyptic number.

It is an amenable number.

1442023441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442023441 is an equidigital number, since it uses as much as digits as its factorization.

1442023441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1442023441 is about 37973.9837388705. The cubic root of 1442023441 is about 1129.7719123530.

Adding to 1442023441 its reverse (1443202441), we get a palindrome (2885225882).

The spelling of 1442023441 in words is "one billion, four hundred forty-two million, twenty-three thousand, four hundred forty-one".