Base | Representation |
---|---|
bin | 1010001101110111… |
… | …1011000010111111 |
3 | 21002010112222020001 |
4 | 2203131323002333 |
5 | 21104041431424 |
6 | 1132045535131 |
7 | 124651056661 |
oct | 24335730277 |
9 | 7063488201 |
10 | 2742530239 |
11 | 11880a5619 |
12 | 6465744a7 |
13 | 349257b77 |
14 | 1c0344531 |
15 | 110b86844 |
hex | a377b0bf |
2742530239 has 8 divisors (see below), whose sum is σ = 2840124672. Its totient is φ = 2646472920.
The previous prime is 2742530233. The next prime is 2742530249. The reversal of 2742530239 is 9320352472.
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 2742530239 - 27 = 2742530111 is a prime.
It is a super-2 number, since 2×27425302392 = 15042944223658794242, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2742530198 and 2742530207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2742530233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380647 + ... + 387784.
It is an arithmetic number, because the mean of its divisors is an integer number (355015584).
Almost surely, 22742530239 is an apocalyptic number.
2742530239 is a deficient number, since it is larger than the sum of its proper divisors (97594433).
2742530239 is an equidigital number, since it uses as much as digits as its factorization.
2742530239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768557.
The product of its (nonzero) digits is 90720, while the sum is 37.
The square root of 2742530239 is about 52369.1726018275. The cubic root of 2742530239 is about 1399.7499960046.
The spelling of 2742530239 in words is "two billion, seven hundred forty-two million, five hundred thirty thousand, two hundred thirty-nine".
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