Base | Representation |
---|---|
bin | 10100110011000… |
… | …110001010000101 |
3 | 220022120221011102 |
4 | 110303012022011 |
5 | 1203312021020 |
6 | 54342545445 |
7 | 11434634351 |
oct | 2463061205 |
9 | 808527142 |
10 | 348938885 |
11 | 169a6aa49 |
12 | 98a38285 |
13 | 573a4219 |
14 | 344b2461 |
15 | 20979475 |
hex | 14cc6285 |
348938885 has 4 divisors (see below), whose sum is σ = 418726668. Its totient is φ = 279151104.
The previous prime is 348938879. The next prime is 348938927. The reversal of 348938885 is 588839843.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 172607044 + 176331841 = 13138^2 + 13279^2 .
It is a cyclic number.
It is not a de Polignac number, because 348938885 - 24 = 348938869 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 348938885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34893884 + ... + 34893893.
It is an arithmetic number, because the mean of its divisors is an integer number (104681667).
Almost surely, 2348938885 is an apocalyptic number.
It is an amenable number.
348938885 is a deficient number, since it is larger than the sum of its proper divisors (69787783).
348938885 is an equidigital number, since it uses as much as digits as its factorization.
348938885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69787782.
The product of its digits is 6635520, while the sum is 56.
The square root of 348938885 is about 18679.9059151806. The cubic root of 348938885 is about 704.0169623205.
The spelling of 348938885 in words is "three hundred forty-eight million, nine hundred thirty-eight thousand, eight hundred eighty-five".
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