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85885768 = 2317631513
BaseRepresentation
bin1010001111010…
…00001101001000
312222121110010101
411013220031020
5133441321033
612304455144
72062005553
oct507501510
9188543111
1085885768
1144531281
122491a4b4
1314a413a7
14b59969a
15781797d
hex51e8348

85885768 has 16 divisors (see below), whose sum is σ = 170508780. Its totient is φ = 40416768.

The previous prime is 85885753. The next prime is 85885781. The reversal of 85885768 is 86758858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85784644 + 101124 = 9262^2 + 318^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315621 + ... + 315892.

Almost surely, 285885768 is an apocalyptic number.

It is an amenable number.

85885768 is a deficient number, since it is larger than the sum of its proper divisors (84623012).

85885768 is a wasteful number, since it uses less digits than its factorization.

85885768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631536 (or 631532 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 55.

The square root of 85885768 is about 9267.4574722520. The cubic root of 85885768 is about 441.2049753030.

The spelling of 85885768 in words is "eighty-five million, eight hundred eighty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 17 34 68 136 631513 1263026 2526052 5052104 10735721 21471442 42942884 85885768