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1442971 is a prime number
BaseRepresentation
bin101100000010010011011
32201022101101
411200102123
5332133341
650532231
715156625
oct5402233
92638341
101442971
118a6142
12597077
133b6a3a
14297c15
151d7831
hex16049b

1442971 has 2 divisors, whose sum is σ = 1442972. Its totient is φ = 1442970.

The previous prime is 1442941. The next prime is 1442983. The reversal of 1442971 is 1792441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442971 - 25 = 1442939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721485 + 721486.

It is an arithmetic number, because the mean of its divisors is an integer number (721486).

21442971 is an apocalyptic number.

1442971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442971 is an equidigital number, since it uses as much as digits as its factorization.

1442971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 1442971 is about 1201.2372788088. The cubic root of 1442971 is about 113.0019317288.

The spelling of 1442971 in words is "one million, four hundred forty-two thousand, nine hundred seventy-one".