Base | Representation |
---|---|
bin | 1000001011001… |
… | …11000000110011 |
3 | 11210001012020000 |
4 | 10011213000303 |
5 | 120024020004 |
6 | 10445521043 |
7 | 1461625611 |
oct | 405470063 |
9 | 153035200 |
10 | 68579379 |
11 | 35790780 |
12 | 1ab73183 |
13 | 1129201b |
14 | 91726b1 |
15 | 6049c39 |
hex | 4167033 |
68579379 has 40 divisors (see below), whose sum is σ = 117670080. Its totient is φ = 39366000.
The previous prime is 68579359. The next prime is 68579387. The reversal of 68579379 is 97397586.
68579379 is a `hidden beast` number, since 68 + 579 + 3 + 7 + 9 = 666.
It is not a de Polignac number, because 68579379 - 213 = 68571187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68579359) 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 39 ways as a sum of consecutive naturals, for example, 14904 + ... + 18954.
It is an arithmetic number, because the mean of its divisors is an integer number (2941752).
Almost surely, 268579379 is an apocalyptic number.
68579379 is a deficient number, since it is larger than the sum of its proper divisors (49090701).
68579379 is a wasteful number, since it uses less digits than its factorization.
68579379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4093 (or 4084 counting only the distinct ones).
The product of its digits is 2857680, while the sum is 54.
The square root of 68579379 is about 8281.2667509265. The cubic root of 68579379 is about 409.3214614366.
The spelling of 68579379 in words is "sixty-eight million, five hundred seventy-nine thousand, three hundred seventy-nine".
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