Base | Representation |
---|---|
bin | 110101010011… |
… | …0010101001101 |
3 | 1221120201022221 |
4 | 1222212111031 |
5 | 24123204034 |
6 | 2434535341 |
7 | 456344113 |
oct | 152462515 |
9 | 57521287 |
10 | 27944269 |
11 | 14856a41 |
12 | 9437551 |
13 | 5a35392 |
14 | 39d5ab3 |
15 | 26bebb4 |
hex | 1aa654d |
27944269 has 8 divisors (see below), whose sum is σ = 29524640. Its totient is φ = 26374896.
The previous prime is 27944263. The next prime is 27944291. The reversal of 27944269 is 96244972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27944269 - 23 = 27944261 is a prime.
It is a super-2 number, since 2×279442692 = 1561764339888722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27944261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 7975.
It is an arithmetic number, because the mean of its divisors is an integer number (3690580).
Almost surely, 227944269 is an apocalyptic number.
It is an amenable number.
27944269 is a deficient number, since it is larger than the sum of its proper divisors (1580371).
27944269 is a wasteful number, since it uses less digits than its factorization.
27944269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5499.
The product of its digits is 217728, while the sum is 43.
The square root of 27944269 is about 5286.2339146126. The cubic root of 27944269 is about 303.4572965402.
The spelling of 27944269 in words is "twenty-seven million, nine hundred forty-four thousand, two hundred sixty-nine".
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