Base | Representation |
---|---|
bin | 1000010100000… |
… | …0101110101011 |
3 | 2102121111002120 |
4 | 2011000232223 |
5 | 32411240024 |
6 | 3243202323 |
7 | 602242245 |
oct | 205005653 |
9 | 72544076 |
10 | 34868139 |
11 | 18755a49 |
12 | b8163a3 |
13 | 72baa47 |
14 | 48b9095 |
15 | 30db479 |
hex | 2140bab |
34868139 has 24 divisors (see below), whose sum is σ = 49925568. Its totient is φ = 21640320.
The previous prime is 34868137. The next prime is 34868143. The reversal of 34868139 is 93186843.
It is a happy number.
It is not a de Polignac number, because 34868139 - 21 = 34868137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 34868139.
It is not an unprimeable number, because it can be changed into a prime (34868131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113424 + ... + 113730.
It is an arithmetic number, because the mean of its divisors is an integer number (2080232).
Almost surely, 234868139 is an apocalyptic number.
34868139 is a deficient number, since it is larger than the sum of its proper divisors (15057429).
34868139 is a wasteful number, since it uses less digits than its factorization.
34868139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475 (or 458 counting only the distinct ones).
The product of its digits is 124416, while the sum is 42.
The square root of 34868139 is about 5904.9249783549. The cubic root of 34868139 is about 326.6953273248.
The spelling of 34868139 in words is "thirty-four million, eight hundred sixty-eight thousand, one hundred thirty-nine".
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