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238054331 is a prime number
BaseRepresentation
bin11100011000001…
…10101110111011
3121120221102011002
432030012232323
5441420214311
635342155215
75620266644
oct1614065673
9546842132
10238054331
11112414819
1267882b0b
133a41c368
142388a6cb
1515d7493b
hexe306bbb

238054331 has 2 divisors, whose sum is σ = 238054332. Its totient is φ = 238054330.

The previous prime is 238054309. The next prime is 238054339. The reversal of 238054331 is 133450832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238054331 - 218 = 237792187 is a prime.

It is a super-2 number, since 2×2380543312 = 113339729015715122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 238054294 and 238054303.

It is not a weakly prime, because it can be changed into another prime (238054339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119027165 + 119027166.

It is an arithmetic number, because the mean of its divisors is an integer number (119027166).

Almost surely, 2238054331 is an apocalyptic number.

238054331 is a deficient number, since it is larger than the sum of its proper divisors (1).

238054331 is an equidigital number, since it uses as much as digits as its factorization.

238054331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 238054331 is about 15429.0093978842. The cubic root of 238054331 is about 619.7625964125.

The spelling of 238054331 in words is "two hundred thirty-eight million, fifty-four thousand, three hundred thirty-one".