Base | Representation |
---|---|
bin | 110101001111… |
… | …0111110100101 |
3 | 1221112012000101 |
4 | 1222132332211 |
5 | 24121223044 |
6 | 2434144101 |
7 | 456160234 |
oct | 152367645 |
9 | 57465011 |
10 | 27914149 |
11 | 1483634a |
12 | 9422031 |
13 | 5a24763 |
14 | 39c8b1b |
15 | 26b5cd4 |
hex | 1a9efa5 |
27914149 has 4 divisors (see below), whose sum is σ = 28371820. Its totient is φ = 27456480.
The previous prime is 27914123. The next prime is 27914171. The reversal of 27914149 is 94141972.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 25573249 = 1530^2 + 5057^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27914149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27914179) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228744 + ... + 228865.
It is an arithmetic number, because the mean of its divisors is an integer number (7092955).
Almost surely, 227914149 is an apocalyptic number.
It is an amenable number.
27914149 is a deficient number, since it is larger than the sum of its proper divisors (457671).
27914149 is an equidigital number, since it uses as much as digits as its factorization.
27914149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457670.
The product of its digits is 18144, while the sum is 37.
The square root of 27914149 is about 5283.3842373994. The cubic root of 27914149 is about 303.3482292192.
The spelling of 27914149 in words is "twenty-seven million, nine hundred fourteen thousand, one hundred forty-nine".
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