Base | Representation |
---|---|
bin | 110101010011… |
… | …0010001110001 |
3 | 1221120201000210 |
4 | 1222212101301 |
5 | 24123202144 |
6 | 2434534333 |
7 | 456343350 |
oct | 152462161 |
9 | 57521023 |
10 | 27944049 |
11 | 14856861 |
12 | 94373a9 |
13 | 5a35253 |
14 | 39d5997 |
15 | 26beab9 |
hex | 1aa6471 |
27944049 has 16 divisors (see below), whose sum is σ = 42705920. Its totient is φ = 15921360.
The previous prime is 27944017. The next prime is 27944071. The reversal of 27944049 is 94044972.
It is a happy number.
It is not a de Polignac number, because 27944049 - 25 = 27944017 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 27943998 and 27944016.
It is not an unprimeable number, because it can be changed into a prime (27944089) 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, 6204 + ... + 9714.
It is an arithmetic number, because the mean of its divisors is an integer number (2669120).
Almost surely, 227944049 is an apocalyptic number.
It is an amenable number.
27944049 is a deficient number, since it is larger than the sum of its proper divisors (14761871).
27944049 is a wasteful number, since it uses less digits than its factorization.
27944049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3900.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 27944049 is about 5286.2131058065. The cubic root of 27944049 is about 303.4565001839.
The spelling of 27944049 in words is "twenty-seven million, nine hundred forty-four thousand, forty-nine".
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