Base | Representation |
---|---|
bin | 110011110110… |
… | …1000000000000 |
3 | 1220011011000111 |
4 | 1213231000000 |
5 | 23424411102 |
6 | 2410401104 |
7 | 450033001 |
oct | 147550000 |
9 | 56134014 |
10 | 27185152 |
11 | 14388675 |
12 | 9130194 |
13 | 582a9b7 |
14 | 38791a8 |
15 | 25becd7 |
hex | 19ed000 |
27185152 has 26 divisors (see below), whose sum is σ = 54371858. Its totient is φ = 13590528.
The previous prime is 27185141. The next prime is 27185153. The reversal of 27185152 is 25158172.
It can be written as a sum of positive squares in only one way, i.e., 15241216 + 11943936 = 3904^2 + 3456^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27185153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778 + ... + 7414.
Almost surely, 227185152 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 27185152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27185929).
27185152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27185152 is an frugal number, since it uses more digits than its factorization.
27185152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6661 (or 6639 counting only the distinct ones).
The product of its digits is 5600, while the sum is 31.
The square root of 27185152 is about 5213.9382428257. The cubic root of 27185152 is about 300.6841865910.
The spelling of 27185152 in words is "twenty-seven million, one hundred eighty-five thousand, one hundred fifty-two".
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