Base | Representation |
---|---|
bin | 110101010011… |
… | …1100010101110 |
3 | 1221120222010200 |
4 | 1222213202232 |
5 | 24123333410 |
6 | 2435014330 |
7 | 456364431 |
oct | 152474256 |
9 | 57528120 |
10 | 27949230 |
11 | 1485a741 |
12 | 943a3a6 |
13 | 5a3770a |
14 | 39d7818 |
15 | 26c13c0 |
hex | 1aa78ae |
27949230 has 24 divisors (see below), whose sum is σ = 72668232. Its totient is φ = 7453104.
The previous prime is 27949223. The next prime is 27949231. The reversal of 27949230 is 3294972.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27949231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155184 + ... + 155363.
It is an arithmetic number, because the mean of its divisors is an integer number (3027843).
Almost surely, 227949230 is an apocalyptic number.
27949230 is an abundant number, since it is smaller than the sum of its proper divisors (44719002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27949230 is a wasteful number, since it uses less digits than its factorization.
27949230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310560 (or 310557 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 27949230 is about 5286.7031314421. The cubic root of 27949230 is about 303.4752532641.
The spelling of 27949230 in words is "twenty-seven million, nine hundred forty-nine thousand, two hundred thirty".
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