Base | Representation |
---|---|
bin | 110101001001… |
… | …1101110001011 |
3 | 1221102211202202 |
4 | 1222103232023 |
5 | 24113234133 |
6 | 2433150415 |
7 | 455605640 |
oct | 152235613 |
9 | 57384682 |
10 | 27868043 |
11 | 14804745 |
12 | 93bb40b |
13 | 5a09788 |
14 | 39b5dc7 |
15 | 26a72e8 |
hex | 1a93b8b |
27868043 has 16 divisors (see below), whose sum is σ = 33281280. Its totient is φ = 22829856.
The previous prime is 27868037. The next prime is 27868073. The reversal of 27868043 is 34086872.
It is not a de Polignac number, because 27868043 - 26 = 27867979 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 27867988 and 27868006.
It is not an unprimeable number, because it can be changed into a prime (27868013) 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, 21080 + ... + 22362.
It is an arithmetic number, because the mean of its divisors is an integer number (2080080).
Almost surely, 227868043 is an apocalyptic number.
27868043 is a deficient number, since it is larger than the sum of its proper divisors (5413237).
27868043 is a wasteful number, since it uses less digits than its factorization.
27868043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1426.
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 27868043 is about 5279.0191323768. The cubic root of 27868043 is about 303.1811230337.
The spelling of 27868043 in words is "twenty-seven million, eight hundred sixty-eight thousand, forty-three".
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