Base | Representation |
---|---|
bin | 110011101101… |
… | …0001100001100 |
3 | 1220000020100000 |
4 | 1213122030030 |
5 | 23414424413 |
6 | 2405004300 |
7 | 446262246 |
oct | 147321414 |
9 | 56006300 |
10 | 27108108 |
11 | 143357a5 |
12 | 90b3690 |
13 | 5801901 |
14 | 3859096 |
15 | 25a7073 |
hex | 19da30c |
27108108 has 54 divisors (see below), whose sum is σ = 71489236. Its totient is φ = 8981928.
The previous prime is 27108101. The next prime is 27108119. The reversal of 27108108 is 80180172.
27108108 = 3172 + 3182 + ... + 4832.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a tau number, because it is divible by the number of its divisors (54).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (27108101) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162241 + ... + 162407.
Almost surely, 227108108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27108108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35744618).
27108108 is an abundant number, since it is smaller than the sum of its proper divisors (44381128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27108108 is an equidigital number, since it uses as much as digits as its factorization.
27108108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353 (or 172 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 27.
The square root of 27108108 is about 5206.5447275520. The cubic root of 27108108 is about 300.3998667850.
Multiplying 27108108 by its sum of digits (27), we get a square (731918916 = 270542).
27108108 divided by its sum of digits (27) gives a square (1004004 = 10022).
The spelling of 27108108 in words is "twenty-seven million, one hundred eight thousand, one hundred eight".
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