Base | Representation |
---|---|
bin | 110011101000… |
… | …1010101110000 |
3 | 1212221101121100 |
4 | 1213101111300 |
5 | 23412244411 |
6 | 2404124400 |
7 | 446051460 |
oct | 147212560 |
9 | 55841540 |
10 | 27071856 |
11 | 14310539 |
12 | 9096700 |
13 | 57bb266 |
14 | 3849ba0 |
15 | 259b456 |
hex | 19d1570 |
27071856 has 120 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 7632000.
The previous prime is 27071839. The next prime is 27071857. The reversal of 27071856 is 65817072.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 27071856.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27071857) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107731 + ... + 107981.
Almost surely, 227071856 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 27071856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43872192).
27071856 is an abundant number, since it is smaller than the sum of its proper divisors (60672528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27071856 is a wasteful number, since it uses less digits than its factorization.
27071856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379 (or 370 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 27071856 is about 5203.0621752964. The cubic root of 27071856 is about 300.2658975919.
The spelling of 27071856 in words is "twenty-seven million, seventy-one thousand, eight hundred fifty-six".
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