Search a number
-
+
2448739949 is a prime number
BaseRepresentation
bin1001000111110100…
…1100111001101101
320022122201212201012
42101331030321231
520003334134244
61042552555005
7114452642345
oct22175147155
96278655635
102448739949
111047282627
125840b2a65
13300422666
14193309d25
15e4ea289e
hex91f4ce6d

2448739949 has 2 divisors, whose sum is σ = 2448739950. Its totient is φ = 2448739948.

The previous prime is 2448739927. The next prime is 2448740023. The reversal of 2448739949 is 9499378442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2447775625 + 964324 = 49475^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448739949 - 212 = 2448735853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2448736949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224369974 + 1224369975.

It is an arithmetic number, because the mean of its divisors is an integer number (1224369975).

Almost surely, 22448739949 is an apocalyptic number.

It is an amenable number.

2448739949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448739949 is an equidigital number, since it uses as much as digits as its factorization.

2448739949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 59.

The square root of 2448739949 is about 49484.7446088186. The cubic root of 2448739949 is about 1347.8685980873.

The spelling of 2448739949 in words is "two billion, four hundred forty-eight million, seven hundred thirty-nine thousand, nine hundred forty-nine".