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84726269 is a prime number
BaseRepresentation
bin1010000110011…
…01000111111101
312220102112120222
411003031013331
5133142220034
612223551125
72046106235
oct503150775
9186375528
1084726269
114390a111
122445b4a5
13147266b4
14b376cc5
15768912e
hex50cd1fd

84726269 has 2 divisors, whose sum is σ = 84726270. Its totient is φ = 84726268.

The previous prime is 84726247. The next prime is 84726293. The reversal of 84726269 is 96262748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80766169 + 3960100 = 8987^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 84726269 - 212 = 84722173 is a prime.

It is a super-2 number, since 2×847262692 = 14357081317320722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84726569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42363134 + 42363135.

It is an arithmetic number, because the mean of its divisors is an integer number (42363135).

Almost surely, 284726269 is an apocalyptic number.

It is an amenable number.

84726269 is a deficient number, since it is larger than the sum of its proper divisors (1).

84726269 is an equidigital number, since it uses as much as digits as its factorization.

84726269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 84726269 is about 9204.6873385249. The cubic root of 84726269 is about 439.2104798219.

It can be divided in two parts, 8472 and 6269, that added together give a palindrome (14741).

The spelling of 84726269 in words is "eighty-four million, seven hundred twenty-six thousand, two hundred sixty-nine".