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80174161 is a prime number
BaseRepresentation
bin1001100011101…
…01110001010001
312120212021021101
410301311301101
5131011033121
611542224401
71662316624
oct461656121
9176767241
1080174161
1141290041
1222a25101
13137c1742
14a90ddbb
15708a491
hex4c75c51

80174161 has 2 divisors, whose sum is σ = 80174162. Its totient is φ = 80174160.

The previous prime is 80174063. The next prime is 80174173. The reversal of 80174161 is 16147108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73702225 + 6471936 = 8585^2 + 2544^2 .

It is a cyclic number.

It is not a de Polignac number, because 80174161 - 215 = 80141393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80174461) 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, 40087080 + 40087081.

It is an arithmetic number, because the mean of its divisors is an integer number (40087081).

Almost surely, 280174161 is an apocalyptic number.

It is an amenable number.

80174161 is a deficient number, since it is larger than the sum of its proper divisors (1).

80174161 is an equidigital number, since it uses as much as digits as its factorization.

80174161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 80174161 is about 8954.0025128431. The cubic root of 80174161 is about 431.1993934595.

The spelling of 80174161 in words is "eighty million, one hundred seventy-four thousand, one hundred sixty-one".