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2148049 is a prime number
BaseRepresentation
bin1000001100011011010001
311001010120101
420030123101
51022214144
6114012401
724154351
oct10143321
94033511
102148049
111237952
12877101
135a2947
143dcb61
152c66d4
hex20c6d1

2148049 has 2 divisors, whose sum is σ = 2148050. Its totient is φ = 2148048.

The previous prime is 2148043. The next prime is 2148053. The reversal of 2148049 is 9408412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 540225 = 1268^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148049 - 213 = 2139857 is a prime.

It is a super-2 number, since 2×21480492 = 9228229012802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2148043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074024 + 1074025.

It is an arithmetic number, because the mean of its divisors is an integer number (1074025).

22148049 is an apocalyptic number.

It is an amenable number.

2148049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148049 is an equidigital number, since it uses as much as digits as its factorization.

2148049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2148049 is about 1465.6223933879. The cubic root of 2148049 is about 129.0272362017.

The spelling of 2148049 in words is "two million, one hundred forty-eight thousand, forty-nine".