Base | Representation |
---|---|
bin | 10000010001001… |
… | …011000110110001 |
3 | 201000120122201100 |
4 | 100101023012301 |
5 | 1024332444033 |
6 | 43025555013 |
7 | 6522633561 |
oct | 2021130661 |
9 | 630518640 |
10 | 272937393 |
11 | 13007a9a3 |
12 | 774a5a69 |
13 | 44713b21 |
14 | 2836ada1 |
15 | 18e65513 |
hex | 1044b1b1 |
272937393 has 12 divisors (see below), whose sum is σ = 396246708. Its totient is φ = 181033440.
The previous prime is 272937391. The next prime is 272937403. The reversal of 272937393 is 393739272.
272937393 is a `hidden beast` number, since 272 + 9 + 373 + 9 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 195356529 + 77580864 = 13977^2 + 8808^2 .
It is not a de Polignac number, because 272937393 - 21 = 272937391 is a prime.
It is not an unprimeable number, because it can be changed into a prime (272937391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75198 + ... + 78743.
It is an arithmetic number, because the mean of its divisors is an integer number (33020559).
Almost surely, 2272937393 is an apocalyptic number.
It is an amenable number.
272937393 is a deficient number, since it is larger than the sum of its proper divisors (123309315).
272937393 is a wasteful number, since it uses less digits than its factorization.
272937393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154144 (or 154141 counting only the distinct ones).
The product of its digits is 428652, while the sum is 45.
The square root of 272937393 is about 16520.8169592185. The cubic root of 272937393 is about 648.6658179832.
The spelling of 272937393 in words is "two hundred seventy-two million, nine hundred thirty-seven thousand, three hundred ninety-three".
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