Base | Representation |
---|---|
bin | 110011110111… |
… | …0001101110000 |
3 | 1220011101211210 |
4 | 1213232031300 |
5 | 23430041003 |
6 | 2410440120 |
7 | 450053340 |
oct | 147561560 |
9 | 56141753 |
10 | 27190128 |
11 | 14391389 |
12 | 9133040 |
13 | 5830044 |
14 | 387ad20 |
15 | 25c1503 |
hex | 19ee370 |
27190128 has 40 divisors (see below), whose sum is σ = 80276608. Its totient is φ = 7768512.
The previous prime is 27190127. The next prime is 27190169. The reversal of 27190128 is 82109172.
It is a junction number, because it is equal to n+sod(n) for n = 27190095 and 27190104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27190127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40126 + ... + 40797.
Almost surely, 227190128 is an apocalyptic number.
27190128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
27190128 is an abundant number, since it is smaller than the sum of its proper divisors (53086480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27190128 is a wasteful number, since it uses less digits than its factorization.
27190128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80941 (or 80935 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 27190128 is about 5214.4154034753. The cubic root of 27190128 is about 300.7025313260.
The spelling of 27190128 in words is "twenty-seven million, one hundred ninety thousand, one hundred twenty-eight".
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