Base | Representation |
---|---|
bin | 1010001011100… |
… | …10011001011110 |
3 | 12221200221012121 |
4 | 11011302121132 |
5 | 133330400410 |
6 | 12250253154 |
7 | 2054626003 |
oct | 505623136 |
9 | 187627177 |
10 | 85403230 |
11 | 44231790 |
12 | 247271ba |
13 | 14902873 |
14 | b4b18aa |
15 | 776e9da |
hex | 517265e |
85403230 has 32 divisors (see below), whose sum is σ = 171279360. Its totient is φ = 30393120.
The previous prime is 85403207. The next prime is 85403237. The reversal of 85403230 is 3230458.
It is a junction number, because it is equal to n+sod(n) for n = 85403195 and 85403204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85403237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3090 + ... + 13429.
It is an arithmetic number, because the mean of its divisors is an integer number (5352480).
Almost surely, 285403230 is an apocalyptic number.
85403230 is an abundant number, since it is smaller than the sum of its proper divisors (85876130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85403230 is a wasteful number, since it uses less digits than its factorization.
85403230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16584.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 85403230 is about 9241.3868006918. The cubic root of 85403230 is about 440.3771387706.
Adding to 85403230 its reverse (3230458), we get a palindrome (88633688).
The spelling of 85403230 in words is "eighty-five million, four hundred three thousand, two hundred thirty".
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