Base | Representation |
---|---|
bin | 1010001101110011… |
… | …1000011001001111 |
3 | 21002010001002201122 |
4 | 2203130320121033 |
5 | 21104004212411 |
6 | 1132040031155 |
7 | 124645542020 |
oct | 24334703117 |
9 | 7063032648 |
10 | 2742257231 |
11 | 1187a2949a |
12 | 6464624bb |
13 | 34919081c |
14 | 1c02b2c47 |
15 | 110b309db |
hex | a373864f |
2742257231 has 8 divisors (see below), whose sum is σ = 3169222560. Its totient is φ = 2324095488.
The previous prime is 2742257227. The next prime is 2742257261. The reversal of 2742257231 is 1327522472.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2742257231 - 22 = 2742257227 is a prime.
It is a super-2 number, since 2×27422572312 = 15039949441943574722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2742257191 and 2742257200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2742257201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200226 + ... + 2201471.
It is an arithmetic number, because the mean of its divisors is an integer number (396152820).
Almost surely, 22742257231 is an apocalyptic number.
2742257231 is a deficient number, since it is larger than the sum of its proper divisors (426965329).
2742257231 is an equidigital number, since it uses as much as digits as its factorization.
2742257231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4401793.
The product of its digits is 47040, while the sum is 35.
The square root of 2742257231 is about 52366.5659653180. The cubic root of 2742257231 is about 1399.7035479446.
The spelling of 2742257231 in words is "two billion, seven hundred forty-two million, two hundred fifty-seven thousand, two hundred thirty-one".
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