Base | Representation |
---|---|
bin | 110100000010… |
… | …1000101101100 |
3 | 1220100011100212 |
4 | 1220011011230 |
5 | 23441040240 |
6 | 2412441552 |
7 | 450623444 |
oct | 150050554 |
9 | 56304325 |
10 | 27283820 |
11 | 14445813 |
12 | 91792b8 |
13 | 5863895 |
14 | 38a3124 |
15 | 25de165 |
hex | 1a0516c |
27283820 has 12 divisors (see below), whose sum is σ = 57296064. Its totient is φ = 10913520.
The previous prime is 27283799. The next prime is 27283871. The reversal of 27283820 is 2838272.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
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, 682076 + ... + 682115.
It is an arithmetic number, because the mean of its divisors is an integer number (4774672).
Almost surely, 227283820 is an apocalyptic number.
27283820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27283820 is an abundant number, since it is smaller than the sum of its proper divisors (30012244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27283820 is a wasteful number, since it uses less digits than its factorization.
27283820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364200 (or 1364198 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 27283820 is about 5223.3916184793. The cubic root of 27283820 is about 301.0475232448.
The spelling of 27283820 in words is "twenty-seven million, two hundred eighty-three thousand, eight hundred twenty".
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