Base | Representation |
---|---|
bin | 10000001111011… |
… | …011000010011001 |
3 | 200222201100001011 |
4 | 100033123002121 |
5 | 1024223301421 |
6 | 43012053521 |
7 | 6516012361 |
oct | 2017330231 |
9 | 628640034 |
10 | 272478361 |
11 | 12a897031 |
12 | 773042a1 |
13 | 445b2bcc |
14 | 2828b9a1 |
15 | 18dc44e1 |
hex | 103db099 |
272478361 has 2 divisors, whose sum is σ = 272478362. Its totient is φ = 272478360.
The previous prime is 272478331. The next prime is 272478377. The reversal of 272478361 is 163874272.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 167210761 + 105267600 = 12931^2 + 10260^2 .
It is a cyclic number.
It is not a de Polignac number, because 272478361 - 27 = 272478233 is a prime.
It is not a weakly prime, because it can be changed into another prime (272478331) 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 as a sum of consecutive naturals, namely, 136239180 + 136239181.
It is an arithmetic number, because the mean of its divisors is an integer number (136239181).
Almost surely, 2272478361 is an apocalyptic number.
It is an amenable number.
272478361 is a deficient number, since it is larger than the sum of its proper divisors (1).
272478361 is an equidigital number, since it uses as much as digits as its factorization.
272478361 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 112896, while the sum is 40.
The square root of 272478361 is about 16506.9185797956. The cubic root of 272478361 is about 648.3019672039.
The spelling of 272478361 in words is "two hundred seventy-two million, four hundred seventy-eight thousand, three hundred sixty-one".
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