Base | Representation |
---|---|
bin | 1010001111010… |
… | …00001110010101 |
3 | 12222121110020020 |
4 | 11013220032111 |
5 | 133441321340 |
6 | 12304455353 |
7 | 2062006023 |
oct | 507501625 |
9 | 188543206 |
10 | 85885845 |
11 | 44531341 |
12 | 2491a559 |
13 | 14a41436 |
14 | b599713 |
15 | 78179d0 |
hex | 51e8395 |
85885845 has 16 divisors (see below), whose sum is σ = 137998080. Its totient is φ = 45612224.
The previous prime is 85885831. The next prime is 85885847. The reversal of 85885845 is 54858858.
It is a cyclic number.
It is not a de Polignac number, because 85885845 - 26 = 85885781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85885847) 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 15 ways as a sum of consecutive naturals, for example, 8394 + ... + 15563.
It is an arithmetic number, because the mean of its divisors is an integer number (8624880).
Almost surely, 285885845 is an apocalyptic number.
It is an amenable number.
85885845 is a deficient number, since it is larger than the sum of its proper divisors (52112235).
85885845 is a wasteful number, since it uses less digits than its factorization.
85885845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24204.
The product of its digits is 2048000, while the sum is 51.
The square root of 85885845 is about 9267.4616265728. The cubic root of 85885845 is about 441.2051071556.
The spelling of 85885845 in words is "eighty-five million, eight hundred eighty-five thousand, eight hundred forty-five".
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