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82029169 is a prime number
BaseRepresentation
bin1001110001110…
…10101001110001
312201100111212101
410320322221301
5131444413134
612050100401
72014144045
oct470725161
9181314771
1082029169
1142337802
122357a701
1313cc0b91
14ac74025
157304e14
hex4e3aa71

82029169 has 2 divisors, whose sum is σ = 82029170. Its totient is φ = 82029168.

The previous prime is 82029163. The next prime is 82029191. The reversal of 82029169 is 96192028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 25959025 = 7488^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 82029169 - 213 = 82020977 is a prime.

It is a super-2 number, since 2×820291692 = 13457569133661122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82029163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41014584 + 41014585.

It is an arithmetic number, because the mean of its divisors is an integer number (41014585).

Almost surely, 282029169 is an apocalyptic number.

It is an amenable number.

82029169 is a deficient number, since it is larger than the sum of its proper divisors (1).

82029169 is an equidigital number, since it uses as much as digits as its factorization.

82029169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 82029169 is about 9056.9955835255. The cubic root of 82029169 is about 434.4996563644.

It can be divided in two parts, 8202 and 9169, that added together give a palindrome (17371).

The spelling of 82029169 in words is "eighty-two million, twenty-nine thousand, one hundred sixty-nine".