Base | Representation |
---|---|
bin | 1010001011011… |
… | …10011100000011 |
3 | 12221200002221220 |
4 | 11011232130003 |
5 | 133324341021 |
6 | 12250050123 |
7 | 2054530503 |
oct | 505563403 |
9 | 187602856 |
10 | 85387011 |
11 | 44220586 |
12 | 24719943 |
13 | 148c8378 |
14 | b4a9a03 |
15 | 7769cc6 |
hex | 516e703 |
85387011 has 8 divisors (see below), whose sum is σ = 115548864. Its totient is φ = 56074920.
The previous prime is 85386953. The next prime is 85387013. The reversal of 85387011 is 11078358.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85387011 - 26 = 85386947 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85387013) 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, 212205 + ... + 212606.
It is an arithmetic number, because the mean of its divisors is an integer number (14443608).
Almost surely, 285387011 is an apocalyptic number.
85387011 is a deficient number, since it is larger than the sum of its proper divisors (30161853).
85387011 is a wasteful number, since it uses less digits than its factorization.
85387011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424881.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 85387011 is about 9240.5092392140. The cubic root of 85387011 is about 440.3492595400.
The spelling of 85387011 in words is "eighty-five million, three hundred eighty-seven thousand, eleven".
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