Search a number
-
+
448803869 is a prime number
BaseRepresentation
bin11010110000000…
…011010000011101
31011021111121011112
4122300003100131
51404343210434
6112311231405
714056525043
oct3260032035
91137447145
10448803869
11210379a98
12106378565
1371c9b427
144386a393
1529603dce
hex1ac0341d

448803869 has 2 divisors, whose sum is σ = 448803870. Its totient is φ = 448803868.

The previous prime is 448803863. The next prime is 448803877. The reversal of 448803869 is 968308844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251064025 + 197739844 = 15845^2 + 14062^2 .

It is a cyclic number.

It is not a de Polignac number, because 448803869 - 228 = 180368413 is a prime.

It is a super-2 number, since 2×4488038692 = 402849825658738322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448803863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224401934 + 224401935.

It is an arithmetic number, because the mean of its divisors is an integer number (224401935).

Almost surely, 2448803869 is an apocalyptic number.

It is an amenable number.

448803869 is a deficient number, since it is larger than the sum of its proper divisors (1).

448803869 is an equidigital number, since it uses as much as digits as its factorization.

448803869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 448803869 is about 21184.9915978270. The cubic root of 448803869 is about 765.6298621688.

The spelling of 448803869 in words is "four hundred forty-eight million, eight hundred three thousand, eight hundred sixty-nine".