Search a number
-
+
108838949 is a prime number
BaseRepresentation
bin1100111110011…
…00000000100101
321120210120222012
412133030000211
5210330321244
614444444005
72461054502
oct637140045
9246716865
10108838949
115648934a
1230549605
1319719a5b
14106524a9
15984d89e
hex67cc025

108838949 has 2 divisors, whose sum is σ = 108838950. Its totient is φ = 108838948.

The previous prime is 108838937. The next prime is 108838957. The reversal of 108838949 is 949838801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94926049 + 13912900 = 9743^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 108838949 - 212 = 108834853 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 108838897 and 108838906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108838909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54419474 + 54419475.

It is an arithmetic number, because the mean of its divisors is an integer number (54419475).

Almost surely, 2108838949 is an apocalyptic number.

It is an amenable number.

108838949 is a deficient number, since it is larger than the sum of its proper divisors (1).

108838949 is an equidigital number, since it uses as much as digits as its factorization.

108838949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 108838949 is about 10432.5907137202. The cubic root of 108838949 is about 477.4502368579.

The spelling of 108838949 in words is "one hundred eight million, eight hundred thirty-eight thousand, nine hundred forty-nine".