Base | Representation |
---|---|
bin | 10100101111110… |
… | …101110111101011 |
3 | 220020222120212102 |
4 | 110233311313223 |
5 | 1203102220424 |
6 | 54312404015 |
7 | 11424452141 |
oct | 2457656753 |
9 | 806876772 |
10 | 348085739 |
11 | 169537a71 |
12 | 986a660b |
13 | 57165ac1 |
14 | 3432d591 |
15 | 2085b7ae |
hex | 14bf5deb |
348085739 has 4 divisors (see below), whose sum is σ = 348470424. Its totient is φ = 347701056.
The previous prime is 348085721. The next prime is 348085783. The reversal of 348085739 is 937580843.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937580843 = 337 ⋅2782139.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-348085739 is a prime.
It is a super-2 number, since 2×3480857392 = 242327363390352242, 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 = 348085693 and 348085702.
It is not an unprimeable number, because it can be changed into a prime (348085709) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190982 + ... + 192795.
It is an arithmetic number, because the mean of its divisors is an integer number (87117606).
Almost surely, 2348085739 is an apocalyptic number.
348085739 is a deficient number, since it is larger than the sum of its proper divisors (384685).
348085739 is an equidigital number, since it uses as much as digits as its factorization.
348085739 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384684.
The product of its (nonzero) digits is 725760, while the sum is 47.
The square root of 348085739 is about 18657.0560110646. The cubic root of 348085739 is about 703.4427266835.
The spelling of 348085739 in words is "three hundred forty-eight million, eighty-five thousand, seven hundred thirty-nine".
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