Base | Representation |
---|---|
bin | 110011110010… |
… | …1101001010110 |
3 | 1220002121200212 |
4 | 1213211221112 |
5 | 23422430110 |
6 | 2410005422 |
7 | 446546120 |
oct | 147455126 |
9 | 56077625 |
10 | 27155030 |
11 | 14367a81 |
12 | 9116872 |
13 | 581a086 |
14 | 386c210 |
15 | 25b5e05 |
hex | 19e5a56 |
27155030 has 32 divisors (see below), whose sum is σ = 56372544. Its totient is φ = 9225216.
The previous prime is 27155021. The next prime is 27155113. The reversal of 27155030 is 3055172.
It is a junction number, because it is equal to n+sod(n) for n = 27154987 and 27155005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6194 + ... + 9626.
It is an arithmetic number, because the mean of its divisors is an integer number (1761642).
Almost surely, 227155030 is an apocalyptic number.
27155030 is an abundant number, since it is smaller than the sum of its proper divisors (29217514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27155030 is a wasteful number, since it uses less digits than its factorization.
27155030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3560.
The product of its (nonzero) digits is 1050, while the sum is 23.
The square root of 27155030 is about 5211.0488387656. The cubic root of 27155030 is about 300.5730897153.
The spelling of 27155030 in words is "twenty-seven million, one hundred fifty-five thousand, thirty".
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