Base | Representation |
---|---|
bin | 110011110010… |
… | …0001010000001 |
3 | 1220002022022220 |
4 | 1213210022001 |
5 | 23422231204 |
6 | 2405521253 |
7 | 446522253 |
oct | 147441201 |
9 | 56068286 |
10 | 27148929 |
11 | 14363435 |
12 | 9113229 |
13 | 5817372 |
14 | 3869cd3 |
15 | 25b41d9 |
hex | 19e4281 |
27148929 has 16 divisors (see below), whose sum is σ = 39036480. Its totient is φ = 16727040.
The previous prime is 27148897. The next prime is 27148943. The reversal of 27148929 is 92984172.
It is not a de Polignac number, because 27148929 - 25 = 27148897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (27148969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3472 + ... + 8145.
It is an arithmetic number, because the mean of its divisors is an integer number (2439780).
Almost surely, 227148929 is an apocalyptic number.
It is an amenable number.
27148929 is a deficient number, since it is larger than the sum of its proper divisors (11887551).
27148929 is a wasteful number, since it uses less digits than its factorization.
27148929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11680.
The product of its digits is 72576, while the sum is 42.
The square root of 27148929 is about 5210.4634150908. The cubic root of 27148929 is about 300.5505778176.
The spelling of 27148929 in words is "twenty-seven million, one hundred forty-eight thousand, nine hundred twenty-nine".
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