Base | Representation |
---|---|
bin | 110100100001… |
… | …1010111010000 |
3 | 1220211010021010 |
4 | 1221003113100 |
5 | 24022221041 |
6 | 2422130520 |
7 | 453035220 |
oct | 151032720 |
9 | 56733233 |
10 | 27538896 |
11 | 145aa420 |
12 | 9280a40 |
13 | 5922a08 |
14 | 392c080 |
15 | 263ea16 |
hex | 1a435d0 |
27538896 has 80 divisors (see below), whose sum is σ = 88708608. Its totient is φ = 7152000.
The previous prime is 27538879. The next prime is 27538897. The reversal of 27538896 is 69883572.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27538897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30 + ... + 7421.
Almost surely, 227538896 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 27538896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44354304).
27538896 is an abundant number, since it is smaller than the sum of its proper divisors (61169712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27538896 is a wasteful number, since it uses less digits than its factorization.
27538896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7480 (or 7474 counting only the distinct ones).
The product of its digits is 725760, while the sum is 48.
The square root of 27538896 is about 5247.7515185077. The cubic root of 27538896 is about 301.9827775510.
The spelling of 27538896 in words is "twenty-seven million, five hundred thirty-eight thousand, eight hundred ninety-six".
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