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238323089 is a prime number
BaseRepresentation
bin11100011010010…
…00010110010001
3121121110001211002
432031020112101
5442002314324
635352031345
75622466334
oct1615102621
9547401732
10238323089
11112588734
1267992555
133a4b47a4
142391a61b
1515dc93ae
hexe348591

238323089 has 2 divisors, whose sum is σ = 238323090. Its totient is φ = 238323088.

The previous prime is 238323077. The next prime is 238323103. The reversal of 238323089 is 980323832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229371025 + 8952064 = 15145^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 238323089 - 216 = 238257553 is a prime.

It is not a weakly prime, because it can be changed into another prime (238323389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119161544 + 119161545.

It is an arithmetic number, because the mean of its divisors is an integer number (119161545).

Almost surely, 2238323089 is an apocalyptic number.

It is an amenable number.

238323089 is a deficient number, since it is larger than the sum of its proper divisors (1).

238323089 is an equidigital number, since it uses as much as digits as its factorization.

238323089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 238323089 is about 15437.7164438268. The cubic root of 238323089 is about 619.9957413859.

The spelling of 238323089 in words is "two hundred thirty-eight million, three hundred twenty-three thousand, eighty-nine".