Base | Representation |
---|---|
bin | 1010001010111… |
… | …10001011011100 |
3 | 12221112201121021 |
4 | 11011132023130 |
5 | 133320223122 |
6 | 12244413524 |
7 | 2054132362 |
oct | 505361334 |
9 | 187481537 |
10 | 85320412 |
11 | 44185541 |
12 | 246a72a4 |
13 | 148a3c68 |
14 | b48d632 |
15 | 77551c7 |
hex | 515e2dc |
85320412 has 24 divisors (see below), whose sum is σ = 157525200. Its totient is φ = 40323456.
The previous prime is 85320377. The next prime is 85320419. The reversal of 85320412 is 21402358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85320419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42258 + ... + 44230.
It is an arithmetic number, because the mean of its divisors is an integer number (6563550).
Almost surely, 285320412 is an apocalyptic number.
It is an amenable number.
85320412 is a deficient number, since it is larger than the sum of its proper divisors (72204788).
85320412 is a wasteful number, since it uses less digits than its factorization.
85320412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2565 (or 2563 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 85320412 is about 9236.9048928740. The cubic root of 85320412 is about 440.2347438858.
The spelling of 85320412 in words is "eighty-five million, three hundred twenty thousand, four hundred twelve".
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