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80182169 is a prime number
BaseRepresentation
bin1001100011101…
…11101110011001
312120212200020222
410301313232121
5131011312134
611542325425
71662352154
oct461675631
9176780228
1080182169
1141296061
1222a29875
13137c5292
14a912c9b
15708ca2e
hex4c77b99

80182169 has 2 divisors, whose sum is σ = 80182170. Its totient is φ = 80182168.

The previous prime is 80182159. The next prime is 80182181. The reversal of 80182169 is 96128108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40806544 + 39375625 = 6388^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 80182169 - 24 = 80182153 is a prime.

It is a super-2 number, since 2×801821692 = 12858360451089122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80182159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40091084 + 40091085.

It is an arithmetic number, because the mean of its divisors is an integer number (40091085).

Almost surely, 280182169 is an apocalyptic number.

It is an amenable number.

80182169 is a deficient number, since it is larger than the sum of its proper divisors (1).

80182169 is an equidigital number, since it uses as much as digits as its factorization.

80182169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 80182169 is about 8954.4496759991. The cubic root of 80182169 is about 431.2137494139.

The spelling of 80182169 in words is "eighty million, one hundred eighty-two thousand, one hundred sixty-nine".