Base | Representation |
---|---|
bin | 1010001010101… |
… | …00011001011001 |
3 | 12221110200122022 |
4 | 11011110121121 |
5 | 133312432340 |
6 | 12243504225 |
7 | 2053604513 |
oct | 505243131 |
9 | 187420568 |
10 | 85280345 |
11 | 44158427 |
12 | 24688075 |
13 | 1488b957 |
14 | b47cbb3 |
15 | 77483b5 |
hex | 5154659 |
85280345 has 8 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 67702960.
The previous prime is 85280323. The next prime is 85280353. The reversal of 85280345 is 54308258.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85280345 - 28 = 85280089 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64445 + ... + 65754.
It is an arithmetic number, because the mean of its divisors is an integer number (12889800).
Almost surely, 285280345 is an apocalyptic number.
It is an amenable number.
85280345 is a deficient number, since it is larger than the sum of its proper divisors (17838055).
85280345 is a wasteful number, since it uses less digits than its factorization.
85280345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130335.
The product of its (nonzero) digits is 38400, while the sum is 35.
The square root of 85280345 is about 9234.7357839843. The cubic root of 85280345 is about 440.1658207645.
The spelling of 85280345 in words is "eighty-five million, two hundred eighty thousand, three hundred forty-five".
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