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2246400245 = 5449280049
BaseRepresentation
bin1000010111100101…
…0101100011110101
312210112222221211002
42011321111203311
514100034301440
61010524053045
7106445041565
oct20571254365
95715887732
102246400245
11a53041831
12528394185
1329a52941b
141744b8da5
15d2335115
hex85e558f5

2246400245 has 4 divisors (see below), whose sum is σ = 2695680300. Its totient is φ = 1797120192.

The previous prime is 2246400241. The next prime is 2246400253. The reversal of 2246400245 is 5420046422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1089924196 + 1156476049 = 33014^2 + 34007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246400245 - 22 = 2246400241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246400241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224640020 + ... + 224640029.

It is an arithmetic number, because the mean of its divisors is an integer number (673920075).

Almost surely, 22246400245 is an apocalyptic number.

It is an amenable number.

2246400245 is a deficient number, since it is larger than the sum of its proper divisors (449280055).

2246400245 is an equidigital number, since it uses as much as digits as its factorization.

2246400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449280054.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2246400245 is about 47396.2049641108. The cubic root of 2246400245 is about 1309.6715072857.

Adding to 2246400245 its reverse (5420046422), we get a palindrome (7666446667).

The spelling of 2246400245 in words is "two billion, two hundred forty-six million, four hundred thousand, two hundred forty-five".

Divisors: 1 5 449280049 2246400245