Base | Representation |
---|---|
bin | 110101010011… |
… | …1000010111000 |
3 | 1221120212100012 |
4 | 1222213002320 |
5 | 24123302232 |
6 | 2435001052 |
7 | 456355460 |
oct | 152470270 |
9 | 57525305 |
10 | 27947192 |
11 | 14859159 |
12 | 9439188 |
13 | 5a36800 |
14 | 39d6ba0 |
15 | 26c09b2 |
hex | 1aa70b8 |
27947192 has 48 divisors (see below), whose sum is σ = 64869840. Its totient is φ = 11052288.
The previous prime is 27947189. The next prime is 27947207. The reversal of 27947192 is 29174972.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7988 + ... + 10940.
It is an arithmetic number, because the mean of its divisors is an integer number (1351455).
Almost surely, 227947192 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 27947192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32434920).
27947192 is an abundant number, since it is smaller than the sum of its proper divisors (36922648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27947192 is a wasteful number, since it uses less digits than its factorization.
27947192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2992 (or 2975 counting only the distinct ones).
The product of its digits is 63504, while the sum is 41.
The square root of 27947192 is about 5286.5103802036. The cubic root of 27947192 is about 303.4678768224.
The spelling of 27947192 in words is "twenty-seven million, nine hundred forty-seven thousand, one hundred ninety-two".
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