Base | Representation |
---|---|
bin | 10100100101001… |
… | …001010111011101 |
3 | 220001201010212201 |
4 | 110211021113131 |
5 | 1201343011023 |
6 | 54132331501 |
7 | 11361564046 |
oct | 2445112735 |
9 | 801633781 |
10 | 345282013 |
11 | 1679a253a |
12 | 97773b91 |
13 | 566c38ab |
14 | 33bdd8cd |
15 | 204a5bad |
hex | 149495dd |
345282013 has 4 divisors (see below), whose sum is σ = 345742528. Its totient is φ = 344821500.
The previous prime is 345282011. The next prime is 345282023. The reversal of 345282013 is 310282543.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310282543 = 1031 ⋅300953.
It is a cyclic number.
It is not a de Polignac number, because 345282013 - 21 = 345282011 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345282011) 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, 229131 + ... + 230632.
It is an arithmetic number, because the mean of its divisors is an integer number (86435632).
Almost surely, 2345282013 is an apocalyptic number.
It is an amenable number.
345282013 is a deficient number, since it is larger than the sum of its proper divisors (460515).
345282013 is an equidigital number, since it uses as much as digits as its factorization.
345282013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460514.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 345282013 is about 18581.7656050226. The cubic root of 345282013 is about 701.5489597303.
The spelling of 345282013 in words is "three hundred forty-five million, two hundred eighty-two thousand, thirteen".
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