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8938231 is a prime number
BaseRepresentation
bin100010000110…
…001011110111
3121211002221121
4202012023313
54242010411
6515324411
7135654661
oct42061367
917732847
108938231
115055475
122bb0707
131b0c4c3
141289531
15bb8571
hex8862f7

8938231 has 2 divisors, whose sum is σ = 8938232. Its totient is φ = 8938230.

The previous prime is 8938229. The next prime is 8938247. The reversal of 8938231 is 1328398.

8938231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8938231 - 21 = 8938229 is a prime.

It is a super-2 number, since 2×89382312 = 159783946818722, which contains 22 as substring.

Together with 8938229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8938271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469115 + 4469116.

It is an arithmetic number, because the mean of its divisors is an integer number (4469116).

Almost surely, 28938231 is an apocalyptic number.

8938231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8938231 is an equidigital number, since it uses as much as digits as its factorization.

8938231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 8938231 is about 2989.6874418574. The cubic root of 8938231 is about 207.5314202190.

The spelling of 8938231 in words is "eight million, nine hundred thirty-eight thousand, two hundred thirty-one".