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85034811 = 3157180541
BaseRepresentation
bin1010001000110…
…00011100111011
312221000012211110
411010120130323
5133232103221
612234331403
72051532621
oct504303473
9187005743
1085034811
1143aaaa04
1224589b63
1314803c74
14b417511
1576ea776
hex511873b

85034811 has 8 divisors (see below), whose sum is σ = 114102544. Its totient is φ = 56328480.

The previous prime is 85034791. The next prime is 85034813. The reversal of 85034811 is 11843058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85034811 - 211 = 85032763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85034813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89800 + ... + 90741.

It is an arithmetic number, because the mean of its divisors is an integer number (14262818).

Almost surely, 285034811 is an apocalyptic number.

85034811 is a deficient number, since it is larger than the sum of its proper divisors (29067733).

85034811 is a wasteful number, since it uses less digits than its factorization.

85034811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180701.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 85034811 is about 9221.4321555819. The cubic root of 85034811 is about 439.7429817836.

Adding to 85034811 its reverse (11843058), we get a palindrome (96877869).

The spelling of 85034811 in words is "eighty-five million, thirty-four thousand, eight hundred eleven".

Divisors: 1 3 157 471 180541 541623 28344937 85034811