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238676987 is a prime number
BaseRepresentation
bin11100011100111…
…10101111111011
3121122010001021102
432032132233323
5442100130422
635403402015
75625502163
oct1616365773
9548101242
10238676987
111127aa60a
1267b2330b
133a5a98b3
14239ad5a3
1515e49192
hexe39ebfb

238676987 has 2 divisors, whose sum is σ = 238676988. Its totient is φ = 238676986.

The previous prime is 238676983. The next prime is 238677013. The reversal of 238676987 is 789676832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238676987 - 22 = 238676983 is a prime.

It is not a weakly prime, because it can be changed into another prime (238676983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119338493 + 119338494.

It is an arithmetic number, because the mean of its divisors is an integer number (119338494).

Almost surely, 2238676987 is an apocalyptic number.

238676987 is a deficient number, since it is larger than the sum of its proper divisors (1).

238676987 is an equidigital number, since it uses as much as digits as its factorization.

238676987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The square root of 238676987 is about 15449.1743145063. The cubic root of 238676987 is about 620.3024772774.

The spelling of 238676987 in words is "two hundred thirty-eight million, six hundred seventy-six thousand, nine hundred eighty-seven".