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85300349 is a prime number
BaseRepresentation
bin1010001010110…
…01010001111101
312221111201002012
411011121101331
5133314102344
612244141005
72054020031
oct505312175
9187451065
1085300349
1144171462
1224697765
1314897aa4
14b4861c1
15774e29e
hex515947d

85300349 has 2 divisors, whose sum is σ = 85300350. Its totient is φ = 85300348.

The previous prime is 85300333. The next prime is 85300351. The reversal of 85300349 is 94300358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79744900 + 5555449 = 8930^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 85300349 - 24 = 85300333 is a prime.

It is a super-2 number, since 2×853003492 = 14552299079043602, which contains 22 as substring.

Together with 85300351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85300549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42650174 + 42650175.

It is an arithmetic number, because the mean of its divisors is an integer number (42650175).

Almost surely, 285300349 is an apocalyptic number.

It is an amenable number.

85300349 is a deficient number, since it is larger than the sum of its proper divisors (1).

85300349 is an equidigital number, since it uses as much as digits as its factorization.

85300349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 85300349 is about 9235.8188050654. The cubic root of 85300349 is about 440.2002342772.

Subtracting 85300349 from its reverse (94300358), we obtain a palindrome (9000009).

The spelling of 85300349 in words is "eighty-five million, three hundred thousand, three hundred forty-nine".