Base | Representation |
---|---|
bin | 1010001000101… |
… | …10111001001001 |
3 | 12220222220001221 |
4 | 11010112321021 |
5 | 133231402200 |
6 | 12234242041 |
7 | 2051505166 |
oct | 504267111 |
9 | 186886057 |
10 | 85028425 |
11 | 43aa6129 |
12 | 24586321 |
13 | 148010a1 |
14 | b41506d |
15 | 76e891a |
hex | 5116e49 |
85028425 has 12 divisors (see below), whose sum is σ = 105993216. Its totient is φ = 67662800.
The previous prime is 85028423. The next prime is 85028431. The reversal of 85028425 is 52482058.
It is not a de Polignac number, because 85028425 - 21 = 85028423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85028423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4129 + ... + 13678.
It is an arithmetic number, because the mean of its divisors is an integer number (8832768).
Almost surely, 285028425 is an apocalyptic number.
It is an amenable number.
85028425 is a deficient number, since it is larger than the sum of its proper divisors (20964791).
85028425 is a wasteful number, since it uses less digits than its factorization.
85028425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18008 (or 18003 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 34.
The square root of 85028425 is about 9221.0858905012. The cubic root of 85028425 is about 439.7319734725.
The spelling of 85028425 in words is "eighty-five million, twenty-eight thousand, four hundred twenty-five".
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