Base | Representation |
---|---|
bin | 110101010110… |
… | …0111010101001 |
3 | 1221122002022220 |
4 | 1222230322221 |
5 | 24130034431 |
6 | 2435304253 |
7 | 456515544 |
oct | 152547251 |
9 | 57562286 |
10 | 27971241 |
11 | 14875231 |
12 | 944b089 |
13 | 5a4473c |
14 | 3a0185b |
15 | 26c7b96 |
hex | 1aacea9 |
27971241 has 8 divisors (see below), whose sum is σ = 37483200. Its totient is φ = 18553392.
The previous prime is 27971213. The next prime is 27971263. The reversal of 27971241 is 14217972.
27971241 is nontrivially palindromic in base 4.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27971241 - 213 = 27963049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (27971201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22830 + ... + 24023.
It is an arithmetic number, because the mean of its divisors is an integer number (4685400).
Almost surely, 227971241 is an apocalyptic number.
It is an amenable number.
27971241 is a deficient number, since it is larger than the sum of its proper divisors (9511959).
27971241 is a wasteful number, since it uses less digits than its factorization.
27971241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47055.
The product of its digits is 7056, while the sum is 33.
The square root of 27971241 is about 5288.7844539176. The cubic root of 27971241 is about 303.5548981660.
The spelling of 27971241 in words is "twenty-seven million, nine hundred seventy-one thousand, two hundred forty-one".
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