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238608047 is a prime number
BaseRepresentation
bin11100011100011…
…01111010101111
3121121222112201002
432032031322233
5442040424142
635402110515
75625064166
oct1616157257
9547875632
10238608047
11112762837
1267aab43b
133a5843c2
14239923dd
1515e33a32
hexe38deaf

238608047 has 2 divisors, whose sum is σ = 238608048. Its totient is φ = 238608046.

The previous prime is 238608037. The next prime is 238608089. The reversal of 238608047 is 740806832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238608047 - 26 = 238607983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238608047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238608037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119304023 + 119304024.

It is an arithmetic number, because the mean of its divisors is an integer number (119304024).

Almost surely, 2238608047 is an apocalyptic number.

238608047 is a deficient number, since it is larger than the sum of its proper divisors (1).

238608047 is an equidigital number, since it uses as much as digits as its factorization.

238608047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 238608047 is about 15446.9429661665. The cubic root of 238608047 is about 620.2427483367.

The spelling of 238608047 in words is "two hundred thirty-eight million, six hundred eight thousand, forty-seven".