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182742169 is a prime number
BaseRepresentation
bin10101110010001…
…10110010011001
3110201212021010111
422321012302121
5333240222134
630044444321
74346166001
oct1271066231
9421767114
10182742169
1194175995
12512496a1
132bb2407c
141a3ad001
151109ac64
hexae46c99

182742169 has 2 divisors, whose sum is σ = 182742170. Its totient is φ = 182742168.

The previous prime is 182742167. The next prime is 182742193. The reversal of 182742169 is 961247281.

182742169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92871769 + 89870400 = 9637^2 + 9480^2 .

It is an emirp because it is prime and its reverse (961247281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 182742169 - 21 = 182742167 is a prime.

It is a super-2 number, since 2×1827421692 = 66789400661649122, which contains 22 as substring.

Together with 182742167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (182742167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91371084 + 91371085.

It is an arithmetic number, because the mean of its divisors is an integer number (91371085).

Almost surely, 2182742169 is an apocalyptic number.

It is an amenable number.

182742169 is a deficient number, since it is larger than the sum of its proper divisors (1).

182742169 is an equidigital number, since it uses as much as digits as its factorization.

182742169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 182742169 is about 13518.2161914951. The cubic root of 182742169 is about 567.4743792246.

The spelling of 182742169 in words is "one hundred eighty-two million, seven hundred forty-two thousand, one hundred sixty-nine".