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11938271 is a prime number
BaseRepresentation
bin101101100010…
…100111011111
3211110112020012
4231202213133
511024011041
61103513435
7203321312
oct55424737
924415205
1011938271
116814444
123bb887b
13261cb87
14182a979
1510ac3eb
hexb629df

11938271 has 2 divisors, whose sum is σ = 11938272. Its totient is φ = 11938270.

The previous prime is 11938259. The next prime is 11938273. The reversal of 11938271 is 17283911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11938271 - 26 = 11938207 is a prime.

Together with 11938273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11938273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5969135 + 5969136.

It is an arithmetic number, because the mean of its divisors is an integer number (5969136).

Almost surely, 211938271 is an apocalyptic number.

11938271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11938271 is an equidigital number, since it uses as much as digits as its factorization.

11938271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 11938271 is about 3455.1803136739. The cubic root of 11938271 is about 228.5496064174.

The spelling of 11938271 in words is "eleven million, nine hundred thirty-eight thousand, two hundred seventy-one".