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2308231 is a prime number
BaseRepresentation
bin1000110011100010000111
311100021022001
420303202013
51042330411
6121250131
725422352
oct10634207
94307261
102308231
111337232
12933947
1362a823
14441299
15308dc1
hex233887

2308231 has 2 divisors, whose sum is σ = 2308232. Its totient is φ = 2308230.

The previous prime is 2308223. The next prime is 2308237. The reversal of 2308231 is 1328032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2308231 - 23 = 2308223 is a prime.

It is a super-2 number, since 2×23082312 = 10655860698722, which contains 22 as substring.

It is a Chen prime.

It is equal to p170074 and since 2308231 and 170074 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2308199 and 2308208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2308237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154115 + 1154116.

It is an arithmetic number, because the mean of its divisors is an integer number (1154116).

22308231 is an apocalyptic number.

2308231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308231 is an equidigital number, since it uses as much as digits as its factorization.

2308231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2308231 is about 1519.2863456242. The cubic root of 2308231 is about 132.1578880533.

The spelling of 2308231 in words is "two million, three hundred eight thousand, two hundred thirty-one".