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85789755 = 3251906439
BaseRepresentation
bin1010001110100…
…00110000111011
312222102120102100
411013100300323
5133430233010
612302434443
72061125622
oct507206073
9188376370
1085789755
1144476127
1224892a23
1314a0978c
14b5726b9
1577e92c0
hex51d0c3b

85789755 has 12 divisors (see below), whose sum is σ = 148702320. Its totient is φ = 45754512.

The previous prime is 85789721. The next prime is 85789763. The reversal of 85789755 is 55798758.

It is not a de Polignac number, because 85789755 - 215 = 85756987 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 953175 + ... + 953264.

It is an arithmetic number, because the mean of its divisors is an integer number (12391860).

Almost surely, 285789755 is an apocalyptic number.

85789755 is a deficient number, since it is larger than the sum of its proper divisors (62912565).

85789755 is a wasteful number, since it uses less digits than its factorization.

85789755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906450 (or 1906447 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 54.

The square root of 85789755 is about 9262.2759082204. The cubic root of 85789755 is about 441.0405040928.

The spelling of 85789755 in words is "eighty-five million, seven hundred eighty-nine thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 45 1906439 5719317 9532195 17157951 28596585 85789755