Base | Representation |
---|---|
bin | 10100110010110… |
… | …101000011000101 |
3 | 220022110101000212 |
4 | 110302311003011 |
5 | 1203302300210 |
6 | 54341245205 |
7 | 11434223135 |
oct | 2462650305 |
9 | 808411025 |
10 | 348868805 |
11 | 169a2232a |
12 | 98a03805 |
13 | 5737b35c |
14 | 34494ac5 |
15 | 20963805 |
hex | 14cb50c5 |
348868805 has 4 divisors (see below), whose sum is σ = 418642572. Its totient is φ = 279095040.
The previous prime is 348868787. The next prime is 348868831. The reversal of 348868805 is 508868843.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508868843 = 7 ⋅72695549.
It can be written as a sum of positive squares in 2 ways, for example, as 48678529 + 300190276 = 6977^2 + 17326^2 .
It is not a de Polignac number, because 348868805 - 226 = 281759941 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34886876 + ... + 34886885.
It is an arithmetic number, because the mean of its divisors is an integer number (104660643).
Almost surely, 2348868805 is an apocalyptic number.
It is an amenable number.
348868805 is a deficient number, since it is larger than the sum of its proper divisors (69773767).
348868805 is an equidigital number, since it uses as much as digits as its factorization.
348868805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69773766.
The product of its (nonzero) digits is 1474560, while the sum is 50.
The square root of 348868805 is about 18678.0300085421. The cubic root of 348868805 is about 703.9698281717.
The spelling of 348868805 in words is "three hundred forty-eight million, eight hundred sixty-eight thousand, eight hundred five".
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