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239141849 is a prime number
BaseRepresentation
bin11100100000100…
…00001111011001
3121122222122221112
432100100033121
5442210014344
635421350105
75632446362
oct1620201731
9548878845
10239141849
11112a978a1
1268108335
133a71036b
1423a90b69
1515edbc9e
hexe4103d9

239141849 has 2 divisors, whose sum is σ = 239141850. Its totient is φ = 239141848.

The previous prime is 239141831. The next prime is 239141887. The reversal of 239141849 is 948141932.

239141849 is nontrivially palindromic in base 9.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234702400 + 4439449 = 15320^2 + 2107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-239141849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (239140849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119570924 + 119570925.

It is an arithmetic number, because the mean of its divisors is an integer number (119570925).

Almost surely, 2239141849 is an apocalyptic number.

It is an amenable number.

239141849 is a deficient number, since it is larger than the sum of its proper divisors (1).

239141849 is an equidigital number, since it uses as much as digits as its factorization.

239141849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 239141849 is about 15464.2118777518. The cubic root of 239141849 is about 620.7049292134.

The spelling of 239141849 in words is "two hundred thirty-nine million, one hundred forty-one thousand, eight hundred forty-nine".