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238680719 is a prime number
BaseRepresentation
bin11100011100111…
…11101010001111
3121122010020101122
432032133222033
5442100240334
635403431155
75625516104
oct1616375217
9548106348
10238680719
111128023a2
1267b254bb
133a5ab4c4
14239b0aab
1515e4a32e
hexe39fa8f

238680719 has 2 divisors, whose sum is σ = 238680720. Its totient is φ = 238680718.

The previous prime is 238680709. The next prime is 238680779. The reversal of 238680719 is 917086832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238680719 - 24 = 238680703 is a prime.

It is a super-2 number, since 2×2386807192 = 113936971244713922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238680719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238680709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119340359 + 119340360.

It is an arithmetic number, because the mean of its divisors is an integer number (119340360).

Almost surely, 2238680719 is an apocalyptic number.

238680719 is a deficient number, since it is larger than the sum of its proper divisors (1).

238680719 is an equidigital number, since it uses as much as digits as its factorization.

238680719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 238680719 is about 15449.2950971881. The cubic root of 238680719 is about 620.3057103174.

The spelling of 238680719 in words is "two hundred thirty-eight million, six hundred eighty thousand, seven hundred nineteen".