Base | Representation |
---|---|
bin | 10000001111001… |
… | …101000000011101 |
3 | 200222121102012201 |
4 | 100033031000131 |
5 | 1024214432033 |
6 | 43010531501 |
7 | 6515353003 |
oct | 2017150035 |
9 | 628542181 |
10 | 272420893 |
11 | 12a857938 |
12 | 77296b91 |
13 | 445929c4 |
14 | 28274a73 |
15 | 18db247d |
hex | 103cd01d |
272420893 has 2 divisors, whose sum is σ = 272420894. Its totient is φ = 272420892.
The previous prime is 272420891. The next prime is 272420909. The reversal of 272420893 is 398024272.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 265461849 + 6959044 = 16293^2 + 2638^2 .
It is a cyclic number.
It is not a de Polignac number, because 272420893 - 21 = 272420891 is a prime.
Together with 272420891, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (272420891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136210446 + 136210447.
It is an arithmetic number, because the mean of its divisors is an integer number (136210447).
Almost surely, 2272420893 is an apocalyptic number.
It is an amenable number.
272420893 is a deficient number, since it is larger than the sum of its proper divisors (1).
272420893 is an equidigital number, since it uses as much as digits as its factorization.
272420893 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 272420893 is about 16505.1777633566. The cubic root of 272420893 is about 648.2563865361.
The spelling of 272420893 in words is "two hundred seventy-two million, four hundred twenty thousand, eight hundred ninety-three".
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