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238836713 is a prime number
BaseRepresentation
bin11100011110001…
…01101111101001
3121122102011101012
432033011233221
5442120233323
635411033305
75630035643
oct1617055751
9548364335
10238836713
111128a9615
1267b9b835
133a6344cb
1423a11893
1515e7b678
hexe3c5be9

238836713 has 2 divisors, whose sum is σ = 238836714. Its totient is φ = 238836712.

The previous prime is 238836673. The next prime is 238836737. The reversal of 238836713 is 317638832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238486249 + 350464 = 15443^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 238836713 - 210 = 238835689 is a prime.

It is not a weakly prime, because it can be changed into another prime (238836743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119418356 + 119418357.

It is an arithmetic number, because the mean of its divisors is an integer number (119418357).

Almost surely, 2238836713 is an apocalyptic number.

It is an amenable number.

238836713 is a deficient number, since it is larger than the sum of its proper divisors (1).

238836713 is an equidigital number, since it uses as much as digits as its factorization.

238836713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 238836713 is about 15454.3428524153. The cubic root of 238836713 is about 620.4408181391.

The spelling of 238836713 in words is "two hundred thirty-eight million, eight hundred thirty-six thousand, seven hundred thirteen".