Search a number
-
+
2280029 is a prime number
BaseRepresentation
bin1000101100101001011101
311021211121112
420230221131
51040430104
6120511405
725244213
oct10545135
94254545
102280029
111318024
1291b565
1361aa3b
14434cb3
1530086e
hex22ca5d

2280029 has 2 divisors, whose sum is σ = 2280030. Its totient is φ = 2280028.

The previous prime is 2280011. The next prime is 2280041. The reversal of 2280029 is 9200822.

2280029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 24025 = 1502^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280029 - 28 = 2279773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2279986 and 2280013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2280079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140014 + 1140015.

It is an arithmetic number, because the mean of its divisors is an integer number (1140015).

22280029 is an apocalyptic number.

It is an amenable number.

2280029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280029 is an equidigital number, since it uses as much as digits as its factorization.

2280029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2280029 is about 1509.9764898832. The cubic root of 2280029 is about 131.6174453273.

The spelling of 2280029 in words is "two million, two hundred eighty thousand, twenty-nine".