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238054169 is a prime number
BaseRepresentation
bin11100011000001…
…10101100011001
3121120221101221002
432030012230121
5441420213134
635342154345
75620266323
oct1614065431
9546841832
10238054169
11112414691
12678829b5
133a41c272
142388a613
1515d7487e
hexe306b19

238054169 has 2 divisors, whose sum is σ = 238054170. Its totient is φ = 238054168.

The previous prime is 238054153. The next prime is 238054253. The reversal of 238054169 is 961450832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180096400 + 57957769 = 13420^2 + 7613^2 .

It is a cyclic number.

It is not a de Polignac number, because 238054169 - 24 = 238054153 is a prime.

It is a super-2 number, since 2×2380541692 = 113339574756561122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238054109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119027084 + 119027085.

It is an arithmetic number, because the mean of its divisors is an integer number (119027085).

Almost surely, 2238054169 is an apocalyptic number.

It is an amenable number.

238054169 is a deficient number, since it is larger than the sum of its proper divisors (1).

238054169 is an equidigital number, since it uses as much as digits as its factorization.

238054169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 238054169 is about 15429.0041480324. The cubic root of 238054169 is about 619.7624558262.

The spelling of 238054169 in words is "two hundred thirty-eight million, fifty-four thousand, one hundred sixty-nine".