Base | Representation |
---|---|
bin | 110100000010… |
… | …1111000101101 |
3 | 1220100022211210 |
4 | 1220011320231 |
5 | 23441141320 |
6 | 2412505033 |
7 | 450636120 |
oct | 150057055 |
9 | 56308753 |
10 | 27287085 |
11 | 14448211 |
12 | 917b179 |
13 | 5865207 |
14 | 38a43b7 |
15 | 25e00e0 |
hex | 1a05e2d |
27287085 has 32 divisors (see below), whose sum is σ = 52070400. Its totient is φ = 11930688.
The previous prime is 27287083. The next prime is 27287107. The reversal of 27287085 is 58078272.
It is not a de Polignac number, because 27287085 - 21 = 27287083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27287083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3235 + ... + 8064.
It is an arithmetic number, because the mean of its divisors is an integer number (1627200).
Almost surely, 227287085 is an apocalyptic number.
It is an amenable number.
27287085 is a deficient number, since it is larger than the sum of its proper divisors (24783315).
27287085 is a wasteful number, since it uses less digits than its factorization.
27287085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11337.
The product of its (nonzero) digits is 62720, while the sum is 39.
The square root of 27287085 is about 5223.7041455274. The cubic root of 27287085 is about 301.0595313502.
The spelling of 27287085 in words is "twenty-seven million, two hundred eighty-seven thousand, eighty-five".
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