[go: up one dir, main page]

Search a number
-
+
1442849 is a prime number
BaseRepresentation
bin101100000010000100001
32201022012212
411200100201
5332132344
650531505
715156362
oct5402041
92638185
101442849
118a6041
12596b95
133b6975
14297b69
151d779e
hex160421

1442849 has 2 divisors, whose sum is σ = 1442850. Its totient is φ = 1442848.

The previous prime is 1442827. The next prime is 1442863. The reversal of 1442849 is 9482441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 19600 = 1193^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442849 - 212 = 1438753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1442869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721424 + 721425.

It is an arithmetic number, because the mean of its divisors is an integer number (721425).

21442849 is an apocalyptic number.

It is an amenable number.

1442849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442849 is an equidigital number, since it uses as much as digits as its factorization.

1442849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 32.

The square root of 1442849 is about 1201.1864967606. The cubic root of 1442849 is about 112.9987469514.

The spelling of 1442849 in words is "one million, four hundred forty-two thousand, eight hundred forty-nine".