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1442312617 is a prime number
BaseRepresentation
bin101010111110111…
…1111000110101001
310201111222001221211
41111331333012221
510423213000432
6355041433121
750512312024
oct12575770651
93644861854
101442312617
116801698a9
1234303b7a1
1319ca74b25
14d97a81bb
1586951d47
hex55f7f1a9

1442312617 has 2 divisors, whose sum is σ = 1442312618. Its totient is φ = 1442312616.

The previous prime is 1442312539. The next prime is 1442312653. The reversal of 1442312617 is 7162132441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993762576 + 448550041 = 31524^2 + 21179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442312617 - 227 = 1308094889 is a prime.

It is a super-3 number, since 3×14423126173 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1442312117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721156308 + 721156309.

It is an arithmetic number, because the mean of its divisors is an integer number (721156309).

Almost surely, 21442312617 is an apocalyptic number.

It is an amenable number.

1442312617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442312617 is an equidigital number, since it uses as much as digits as its factorization.

1442312617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 1442312617 is about 37977.7911021692. The cubic root of 1442312617 is about 1129.8474268643.

The spelling of 1442312617 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, six hundred seventeen".