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239068169 is a prime number
BaseRepresentation
bin11100011111111…
…10010000001001
3121122211220212122
432033332100021
5442200140134
635420021025
75632021514
oct1617762011
9548756778
10239068169
11112a474aa
1268091775
133a6b5972
1423a71d7b
1515ec502e
hexe3fe409

239068169 has 2 divisors, whose sum is σ = 239068170. Its totient is φ = 239068168.

The previous prime is 239068163. The next prime is 239068201. The reversal of 239068169 is 961860932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226201600 + 12866569 = 15040^2 + 3587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-239068169 is a prime.

It is a super-2 number, since 2×2390681692 = 114307178858025122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (239068163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119534084 + 119534085.

It is an arithmetic number, because the mean of its divisors is an integer number (119534085).

Almost surely, 2239068169 is an apocalyptic number.

It is an amenable number.

239068169 is a deficient number, since it is larger than the sum of its proper divisors (1).

239068169 is an equidigital number, since it uses as much as digits as its factorization.

239068169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 239068169 is about 15461.8294195739. The cubic root of 239068169 is about 620.6411759263.

The spelling of 239068169 in words is "two hundred thirty-nine million, sixty-eight thousand, one hundred sixty-nine".