Base | Representation |
---|---|
bin | 1010001010110… |
… | …10100110101110 |
3 | 12221111222112010 |
4 | 11011122212232 |
5 | 133314241044 |
6 | 12244222050 |
7 | 2054041611 |
oct | 505324656 |
9 | 187458463 |
10 | 85305774 |
11 | 44175544 |
12 | 2469a926 |
13 | 1489a3b8 |
14 | b488178 |
15 | 7750bb9 |
hex | 515a9ae |
85305774 has 8 divisors (see below), whose sum is σ = 170611560. Its totient is φ = 28435256.
The previous prime is 85305761. The next prime is 85305809. The reversal of 85305774 is 47750358.
It is a sphenic number, since it is the product of 3 distinct primes.
85305774 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108809 + ... + 7108820.
It is an arithmetic number, because the mean of its divisors is an integer number (21326445).
Almost surely, 285305774 is an apocalyptic number.
85305774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85305774 is a wasteful number, since it uses less digits than its factorization.
85305774 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14217634.
The product of its (nonzero) digits is 117600, while the sum is 39.
The square root of 85305774 is about 9236.1124939013. The cubic root of 85305774 is about 440.2095661485.
The spelling of 85305774 in words is "eighty-five million, three hundred five thousand, seven hundred seventy-four".
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